{"item": {"cve_id": "CVE-2025-53770", "ghsa_id": "", "osv_id": "", "title": "Microsoft SharePoint Server Remote Code Execution Vulnerability", "description": "Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network.\nMicrosoft is aware that an exploit for CVE-2025-53770 exists in the wild.\nMicrosoft is preparing and fully testing a comprehensive update to address this vulnerability.  In the meantime, please make sure that the mitigation provided in this CVE documentation is in place so that you are protected from exploitation.", "published_at": "2025-07-20T01:15:30.777", "modified_at": "2026-08-04T05:16:34.887", "vendor": "Microsoft", "product": "Sharepoint Server", "affected_versions": ["16.0.0"], "fixed_versions": [], "cvss_score": 9.8, "cvss_version": "3.1", "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "CRITICAL", "epss_score": 0.99998, "epss_percentile": 0.99991, "epss_date": "2026-10-07", "is_kev": true, "kev_date": "2025-07-20", "kev_due_date": "2025-07-21", "kev_action": "Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.", "cwe_ids": ["CWE-502"], "attack_vector": "NETWORK", "attack_complexity": "LOW", "privileges_required": "NONE", "user_interaction": "NONE", "references": ["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53770", "https://arstechnica.com/security/2025/07/sharepoint-vulnerability-with-9-8-severity-rating-is-under-exploit-across-the-globe/", "https://github.com/kaizensecurity/CVE-2025-53770", "https://msrc.microsoft.com/blog/2025/07/customer-guidance-for-sharepoint-vulnerability-cve-2025-53770/", "https://news.ycombinator.com/item?id=44629710", "https://research.eye.security/sharepoint-under-siege/", "https://therecord.media/microsoft-sharepoint-zero-day-vulnerability-exploited-globally", "https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day-exploited-in-rce-attacks-no-patch-available/", "https://www.cisa.gov/news-events/alerts/2025/07/20/microsoft-releases-guidance-exploitation-sharepoint-vulnerability-cve-2025-53770", "https://www.darkreading.com/remote-workforce/microsoft-rushes-emergency-fix-exploited-sharepoint-toolshell-flaw", "https://www.forbes.com/sites/daveywinder/2025/07/20/microsoft-confirms-ongoing-mass-sharepoint-attack---no-patch-available/", "https://x.com/Shadowserver/status/1946900837306868163", "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53770"], "source_urls": {"NVD": "https://nvd.nist.gov/vuln/detail/CVE-2025-53770", "CVE.org": "https://www.cve.org/CVERecord?id=CVE-2025-53770", "CISA": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53770", "FIRST EPSS": "https://api.first.org/data/v1/epss?cve=CVE-2025-53770"}, "patch_available": null, "workaround_available": null, "sources": ["NVD", "CVE.org", "CISA", "FIRST EPSS"], "reference_items": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53770", "tags": ["Vendor Advisory", "vendor-advisory", "patch"], "source": "NVD", "name": ""}, {"url": "https://arstechnica.com/security/2025/07/sharepoint-vulnerability-with-9-8-severity-rating-is-under-exploit-across-the-globe/", "tags": ["Exploit", "Press/Media Coverage"], "source": "NVD", "name": ""}, {"url": "https://github.com/kaizensecurity/CVE-2025-53770", "tags": ["Exploit"], "source": "NVD", "name": ""}, {"url": "https://msrc.microsoft.com/blog/2025/07/customer-guidance-for-sharepoint-vulnerability-cve-2025-53770/", "tags": ["Mitigation", "Vendor Advisory"], "source": "NVD", "name": ""}, {"url": "https://news.ycombinator.com/item?id=44629710", "tags": ["Issue Tracking"], "source": "NVD", "name": ""}, {"url": "https://research.eye.security/sharepoint-under-siege/", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "source": "NVD", "name": ""}, {"url": "https://therecord.media/microsoft-sharepoint-zero-day-vulnerability-exploited-globally", "tags": ["Press/Media Coverage"], "source": "NVD", "name": ""}, {"url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day-exploited-in-rce-attacks-no-patch-available/", "tags": ["Press/Media Coverage"], "source": "NVD", "name": ""}, {"url": "https://www.cisa.gov/news-events/alerts/2025/07/20/microsoft-releases-guidance-exploitation-sharepoint-vulnerability-cve-2025-53770", "tags": ["Mailing List", "Third Party Advisory", "US Government Resource"], "source": "NVD", "name": ""}, {"url": "https://www.darkreading.com/remote-workforce/microsoft-rushes-emergency-fix-exploited-sharepoint-toolshell-flaw", "tags": ["Press/Media Coverage"], "source": "NVD", "name": ""}, {"url": "https://www.forbes.com/sites/daveywinder/2025/07/20/microsoft-confirms-ongoing-mass-sharepoint-attack---no-patch-available/", "tags": ["Press/Media Coverage"], "source": "NVD", "name": ""}, {"url": "https://x.com/Shadowserver/status/1946900837306868163", "tags": ["Third Party Advisory"], "source": "NVD", "name": ""}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53770", "tags": ["US Government Resource", "government-resource"], "source": "NVD", "name": ""}], "cvss_v4_score": null, "cvss_v4_vector": "", "cvss_v4_severity": "", "nvd_status": "Analyzed", "cna": "microsoft", "date_reserved": "2025-07-09T13:25:25.500Z", "ssvc": {"options": {"Exploitation": "active", "Automatable": "yes", "Technical Impact": "total"}, "version": "2.0.3", "timestamp": "2025-07-20T00:00:00+00:00", "role": "CISA Coordinator"}, "affected_products": [{"vendor": "Microsoft", "product": "Sharepoint Server", "ranges": ["avant 16.0.18526.20508", "2016", "2019"], "first_unaffected": ["16.0.18526.20508"], "source": "NVD"}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Enterprise Server 2016", "ranges": ["de 16.0.0 à 16.0.5513.1001 (exclue)"], "first_unaffected": ["16.0.5513.1001"], "source": "CVE.org"}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Server 2019", "ranges": ["de 16.0.0 à 16.0.10417.20037 (exclue)"], "first_unaffected": ["16.0.10417.20037"], "source": "CVE.org"}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Server Subscription Edition", "ranges": ["de 16.0.0 à 16.0.18526.20508 (exclue)"], "first_unaffected": ["16.0.18526.20508"], "source": "CVE.org"}], "kev_name": "Microsoft SharePoint Deserialization of Untrusted Data Vulnerability", "kev_short_description": "Microsoft SharePoint Server on-premises contains a deserialization of untrusted data vulnerability that could allow an unauthorized attacker to execute code over a network. This vulnerability could be chained with CVE-2025-53771. CVE-2025-53770 is a patch bypass for CVE-2025-49704, and the updates for CVE-2025-53770 include more robust protection than those for CVE-2025-49704.", "kev_ransomware": "Known", "kev_notes": "CISA Mitigation Instructions: https://www.cisa.gov/news-events/alerts/2025/07/20/microsoft-releases-guidance-exploitation-sharepoint-vulnerability-cve-2025-53770; https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/ ; https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53770 ; https://nvd.nist.gov/vuln/detail/CVE-2025-53770", "kev_cwes": ["CWE-502"], "wordfence_id": "", "mentions_sources": [], "version_match": "unknown", "risk_score": 90, "risk_class": "Urgent", "impact": {"confidentialite": "élevé", "integrite": "élevé", "disponibilite": "élevé", "summary": "Un attaquant exploitant cette vulnérabilité pourrait, selon les conditions décrites par les sources, exploitable à distance (réseau), sans authentification préalable, affecter la confidentialité des données, l'intégrité du système et la disponibilité du service.", "basis": "CVSS 3.1"}, "mechanism": "Désérialisation de données non fiables : la reconstruction d'objets peut être détournée.", "mitigation": {"correction": {"available": true, "text": "Mettre à jour : selon les sources, ne sont plus concernées les versions à partir de Sharepoint Server 16.0.18526.20508, Microsoft SharePoint Enterprise Server 2016 16.0.5513.1001, Microsoft SharePoint Server 2019 16.0.10417.20037, Microsoft SharePoint Server Subscription Edition 16.0.18526.20508."}, "mitigation": {"specific": "Aucune mesure de mitigation spécifique confirmée par les sources consultées. Consultez les références officielles pour d'éventuelles mesures détaillées.", "general": ["Maintenir le produit à jour et activer les mises à jour de sécurité.", "Restreindre l'exposition réseau du service au strict nécessaire.", "Appliquer le principe du moindre privilège.", "Surveiller les journaux et les alertes de sécurité."], "specific_links": []}, "containment": {"applicable": true, "actions": ["Action recommandée par la CISA : Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.", "Isoler ou restreindre l'accès au service concerné.", "Restreindre les flux réseau entrants/sortants liés au composant.", "Renforcer la surveillance des journaux et des accès.", "Désactiver temporairement le composant vulnérable si l'activité le permet."]}, "note": "Priorité aux consignes officielles de l'éditeur et des références. Vérifiez toujours l'avis de sécurité avant toute intervention en production.", "official_links": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53770", "groupe": "correctif", "groupe_titre": "Correctifs et versions corrigées", "editeur": "Microsoft", "domaine": "msrc.microsoft.com"}, {"url": "https://msrc.microsoft.com/blog/2025/07/customer-guidance-for-sharepoint-vulnerability-cve-2025-53770/", "groupe": "avis_editeur", "groupe_titre": "Avis de sécurité de l'éditeur", "editeur": "Microsoft", "domaine": "msrc.microsoft.com"}]}, "plain": {"verdict": "now", "verdict_label": "Exploité par des attaquants · à traiter aujourd'hui", "verdict_css": "now", "verdict_rank": 0, "headline": "Des données reçues peuvent être détournées pour exécuter du code, à distance et sans compte", "headline_is_derived": true, "action": "Mettre à jour vers Sharepoint Server 16.0.18526.20508, Microsoft SharePoint Enterprise Server 2016 16.0.5513.1001, Microsoft SharePoint Server 2019 16.0.10417.20037 ou plus récent, version publiée comme non concernée.", "action_kind": "update", "concerned": [{"version": "Sharepoint Server 16.0.18526.20508, Microsoft SharePoint Enterprise Server 2016 16.0.5513.1001, Microsoft SharePoint Server 2019 16.0.10417.20037 ou plus récent", "state": "safe", "state_label": "Non concerné", "todo": "Rien à faire. Gardez les mises à jour automatiques activées."}, {"version": "16.0.0", "state": "hit", "state_label": "Concerné", "todo": "Mettre à jour vers Sharepoint Server 16.0.18526.20508, Microsoft SharePoint Enterprise Server 2016 16.0.5513.1001, Microsoft SharePoint Server 2019 16.0.10417.20037 ou plus récent, version publiée comme non concernée."}, {"version": "Je ne connais pas ma version", "state": "unknown", "state_label": "À vérifier", "todo": "La version s'affiche généralement dans le menu « À propos » ou « Aide » du logiciel."}], "steps": [{"title": "Sauvegarder avant d'intervenir", "detail": "Une copie récente des données et de la configuration. Si votre hébergeur propose une sauvegarde en un clic, c'est le moment.", "duration": "10 min", "priority": false}, {"title": "Mettre à jour vers Sharepoint Server 16.0.18526.20508, Microsoft SharePoint Enterprise Server 2016 16.0.5513.1001, Microsoft SharePoint Server 2019 16.0.10417.20037 ou plus récent, version publiée comme non concernée", "detail": "C'est la correction officielle. Tant qu'elle n'est pas appliquée, les autres mesures ne sont que temporaires.", "duration": "15 à 45 min", "priority": true}, {"title": "En attendant : réduire l'exposition sur Internet", "detail": "La faille est exploitable à distance. Limiter l'accès au service depuis l'extérieur (pare-feu, filtrage d'adresses, VPN) réduit fortement le risque.", "duration": "30 min", "priority": false}, {"title": "Vérifier que vous n'avez pas déjà été touché", "detail": "Cette faille est activement exploitée. Contrôler les comptes créés récemment, les connexions inhabituelles et les fichiers modifiés depuis la date de publication.", "duration": "30 min", "priority": true}, {"title": "Confirmer que tout fonctionne encore", "detail": "Après correction : page d'accueil, connexion, et les deux ou trois fonctions dont vous vous servez tous les jours.", "duration": "10 min", "priority": false}], "exploited": true, "exploited_label": "Oui, des attaques réelles sont constatées", "fixed_label": "Sharepoint Server 16.0.18526.20508, Microsoft SharePoint Enterprise Server 2016 16.0.5513.1001, Microsoft SharePoint Server 2019 16.0.10417.20037 (non concernée selon les sources)", "affected_label": "16.0.0"}, "severity_display": "Critique", "cvss_is_legacy": false, "risk_score_computable": true, "identifier": "CVE-2025-53770", "severity_fr": "Critique", "epss_pct": 100.0, "source_records": [{"source": "NVD", "label": "NVD, NIST", "date_label": "Publié dans la base", "date": "2025-07-20", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-53770"}, {"source": "CVE.org", "label": "CVE.org, programme CVE", "date_label": "Publié par l'organisme CNA", "date": "2025-07-20", "url": "https://www.cve.org/CVERecord?id=CVE-2025-53770"}, {"source": "CISA", "label": "CISA KEV", "date_label": "Ajout au catalogue", "date": "2025-07-20", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53770"}, {"source": "FIRST EPSS", "label": "FIRST EPSS", "date_label": "Score daté du", "date": "2026-10-07", "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-53770"}], "exploit_public": true, "reseau_sans_auth": true, "exposition": "À distance, sans compte et sans action d'un utilisateur", "owasp": [{"code": "A08", "nom": "Défaillances d'intégrité des logiciels ou des données", "nom_officiel": "Software or Data Integrity Failures", "slug": "a08-integrite-des-logiciels-et-des-donnees", "libelle": "A08:2025 Défaillances d'intégrité des logiciels ou des données", "url_officielle": "https://top10.owasp.org/2025/A08_2025-Software_or_Data_Integrity_Failures/"}]}, "presentation": {"en_bref": [{"question": "Est-elle attaquée ?", "ton": "alerte", "reponse": "Oui, attaques constatées", "source": "Catalogue CISA KEV"}, {"question": "Existe-t-il un correctif ?", "ton": "bon", "reponse": "Oui : 16.0.18526.20508, 16.0.5513.1001, 16.0.10417.20037", "source": "Versions publiées comme non concernées"}, {"question": "Comment l'attaquer ?", "ton": "alerte", "reponse": "À distance, sans compte et sans action d'un utilisateur", "source": "Vecteur CVSS publié"}, {"question": "Risque d'exploitation", "ton": "alerte", "reponse": "100,0 % sur 30 jours", "source": "Plus probable que 100 % des failles connues"}], "references": [{"cle": "correctif", "titre": "Correctifs et versions corrigées", "explication": "Les pages que les sources désignent comme correctif ou notes de version.", "items": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53770", "domaine": "msrc.microsoft.com", "editeur": "Microsoft", "etiquettes": ["Avis de l'éditeur", "Correctif"], "nom": "", "lien": true, "casse": false}]}, {"cle": "avis_editeur", "titre": "Avis de sécurité de l'éditeur", "explication": "La parole de l'éditeur du produit : elle fait foi pour savoir quoi installer.", "items": [{"url": "https://msrc.microsoft.com/blog/2025/07/customer-guidance-for-sharepoint-vulnerability-cve-2025-53770/", "domaine": "msrc.microsoft.com", "editeur": "Microsoft", "etiquettes": ["Mesure de contournement", "Avis de l'éditeur"], "nom": "", "lien": true, "casse": false}]}, {"cle": "avis_tiers", "titre": "Avis d'autorités et d'organismes tiers", "explication": "CERT, agences gouvernementales, bases de vulnérabilités, chercheurs.", "items": [{"url": "https://www.cisa.gov/news-events/alerts/2025/07/20/microsoft-releases-guidance-exploitation-sharepoint-vulnerability-cve-2025-53770", "domaine": "www.cisa.gov", "editeur": "CISA", "etiquettes": ["Liste de diffusion", "Avis d'un tiers", "Ressource gouvernementale américaine"], "nom": "", "lien": true, "casse": false}, {"url": "https://x.com/Shadowserver/status/1946900837306868163", "domaine": "x.com", "editeur": "", "etiquettes": ["Avis d'un tiers"], "nom": "", "lien": true, "casse": false}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53770", "domaine": "www.cisa.gov", "editeur": "CISA", "etiquettes": ["Ressource gouvernementale américaine", "Ressource gouvernementale"], "nom": "", "lien": true, "casse": false}]}, {"cle": "analyse", "titre": "Analyses, tickets et discussions", "explication": "Pour comprendre le défaut : description technique, ticket, liste de diffusion.", "items": [{"url": "https://news.ycombinator.com/item?id=44629710", "domaine": "news.ycombinator.com", "editeur": "", "etiquettes": ["Suivi de ticket"], "nom": "", "lien": true, "casse": false}, {"url": "https://therecord.media/microsoft-sharepoint-zero-day-vulnerability-exploited-globally", "domaine": "therecord.media", "editeur": "", "etiquettes": ["Article de presse"], "nom": "", "lien": true, "casse": false}, {"url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day-exploited-in-rce-attacks-no-patch-available/", "domaine": "www.bleepingcomputer.com", "editeur": "", "etiquettes": ["Article de presse"], "nom": "", "lien": true, "casse": false}, {"url": "https://www.darkreading.com/remote-workforce/microsoft-rushes-emergency-fix-exploited-sharepoint-toolshell-flaw", "domaine": "www.darkreading.com", "editeur": "", "etiquettes": ["Article de presse"], "nom": "", "lien": true, "casse": false}, {"url": "https://www.forbes.com/sites/daveywinder/2025/07/20/microsoft-confirms-ongoing-mass-sharepoint-attack---no-patch-available/", "domaine": "www.forbes.com", "editeur": "", "etiquettes": ["Article de presse"], "nom": "", "lien": true, "casse": false}]}, {"cle": "exploit", "titre": "Codes d'exploitation référencés", "explication": "Les sources signalent un code d'exploitation public. Par prudence, CyberAlert affiche le site qui l'héberge sans lien direct : l'information utile ici est son existence, qui rend la faille plus facile à attaquer.", "items": [{"url": "https://arstechnica.com/security/2025/07/sharepoint-vulnerability-with-9-8-severity-rating-is-under-exploit-across-the-globe/", "domaine": "arstechnica.com", "editeur": "", "etiquettes": ["Code d'exploitation", "Article de presse"], "nom": "", "lien": false, "casse": false}, {"url": "https://github.com/kaizensecurity/CVE-2025-53770", "domaine": "github.com", "editeur": "GitHub", "etiquettes": ["Code d'exploitation"], "nom": "", "lien": false, "casse": false}, {"url": "https://research.eye.security/sharepoint-under-siege/", "domaine": "research.eye.security", "editeur": "", "etiquettes": ["Code d'exploitation", "Mesure de contournement", "Avis d'un tiers"], "nom": "", "lien": false, "casse": false}]}], "liens_correction": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53770", "domaine": "msrc.microsoft.com", "editeur": "Microsoft", "etiquettes": ["Avis de l'éditeur", "Correctif"], "nom": "", "lien": true, "casse": false, "groupe": "correctif", "groupe_titre": "Correctifs et versions corrigées"}, {"url": "https://msrc.microsoft.com/blog/2025/07/customer-guidance-for-sharepoint-vulnerability-cve-2025-53770/", "domaine": "msrc.microsoft.com", "editeur": "Microsoft", "etiquettes": ["Mesure de contournement", "Avis de l'éditeur"], "nom": "", "lien": true, "casse": false, "groupe": "avis_editeur", "groupe_titre": "Avis de sécurité de l'éditeur"}], "nb_exploits": 3, "cvss": {"version": "3.1", "vecteur": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "metriques": [{"code": "AV", "nom": "Vecteur d'attaque", "valeur": "Réseau (à distance, y compris par Internet)", "brut": "N", "explication": "D'où l'attaquant doit agir."}, {"code": "AC", "nom": "Complexité de l'attaque", "valeur": "Faible", "brut": "L", "explication": "Conditions hors du contrôle de l'attaquant."}, {"code": "PR", "nom": "Privilèges requis", "valeur": "Aucun (pas de compte)", "brut": "N", "explication": "Droits dont l'attaquant a besoin avant d'attaquer."}, {"code": "UI", "nom": "Interaction de l'utilisateur", "valeur": "Aucune", "brut": "N", "explication": "Une victime doit-elle cliquer ou ouvrir quelque chose ?"}, {"code": "S", "nom": "Portée", "valeur": "Inchangée", "brut": "U", "explication": "L'attaque peut-elle toucher d'autres composants que celui qui est vulnérable ?"}, {"code": "C", "nom": "Confidentialité", "valeur": "Élevé", "brut": "H", "explication": "Accès à des informations protégées."}, {"code": "I", "nom": "Intégrité", "valeur": "Élevé", "brut": "H", "explication": "Modification de données ou du système."}, {"code": "A", "nom": "Disponibilité", "valeur": "Élevé", "brut": "H", "explication": "Arrêt ou ralentissement du service."}], "calculateur": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "specification": "https://www.first.org/cvss/v3.1/specification-document"}, "cvss4": null, "cwe": [{"id": "CWE-502", "nom": "Deserialization of Untrusted Data", "url": "https://cwe.mitre.org/data/definitions/502.html"}], "owasp": [{"code": "A08", "nom": "Défaillances d'intégrité des logiciels ou des données", "nom_officiel": "Software or Data Integrity Failures", "slug": "a08-integrite-des-logiciels-et-des-donnees", "libelle": "A08:2025 Défaillances d'intégrité des logiciels ou des données", "url_officielle": "https://top10.owasp.org/2025/A08_2025-Software_or_Data_Integrity_Failures/"}], "ssvc": {"lignes": [{"nom": "Exploitation", "valeur": "Exploitation active constatée", "brut": "active"}, {"nom": "Automatisable", "valeur": "Oui : l'attaque peut être enchaînée sans intervention humaine", "brut": "yes"}, {"nom": "Impact technique", "valeur": "Total : contrôle complet du composant ou de ses informations", "brut": "total"}], "version": "2.0.3", "date": "2025-07-20", "role": "CISA Coordinator", "url": "https://www.cisa.gov/stakeholder-specific-vulnerability-categorization-ssvc"}, "chronologie": [{"date": "2025-07-09", "libelle": "Identifiant réservé", "qui": "Programme CVE"}, {"date": "2025-07-20", "libelle": "Publication de la vulnérabilité", "qui": "microsoft"}, {"date": "2025-07-20", "libelle": "Ajout au catalogue des failles exploitées", "qui": "CISA"}, {"date": "2025-07-20", "libelle": "Décision SSVC publiée", "qui": "CISA"}, {"date": "2025-07-21", "libelle": "Échéance de correction fixée par la CISA", "qui": "CISA"}, {"date": "2026-08-04", "libelle": "Dernière mise à jour de la fiche source", "qui": "Source"}, {"date": "2026-10-07", "libelle": "Calcul du score EPSS affiché", "qui": "FIRST"}], "liens_officiels": [{"nom": "NVD (NIST)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-53770", "description": "Fiche de référence : CVSS, CPE, références étiquetées."}, {"nom": "CVE.org", "url": "https://www.cve.org/CVERecord?id=CVE-2025-53770", "description": "Enregistrement officiel publié par l'organisme qui a attribué l'identifiant."}, {"nom": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53770", "description": "Entrée du catalogue des failles activement exploitées."}, {"nom": "FIRST EPSS", "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-53770", "description": "Score de probabilité d'exploitation du jour."}, {"nom": "OSV.dev", "url": "https://osv.dev/vulnerability/CVE-2025-53770", "description": "Paquets open source concernés et versions corrigées."}, {"nom": "GitHub Advisory Database", "url": "https://github.com/advisories?query=CVE-2025-53770", "description": "Avis de sécurité des dépendances logicielles."}], "produits": [{"vendor": "Microsoft", "product": "Sharepoint Server", "ranges": ["avant 16.0.18526.20508", "2016", "2019"], "first_unaffected": ["16.0.18526.20508"], "source": "NVD"}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Enterprise Server 2016", "ranges": ["de 16.0.0 à 16.0.5513.1001 (exclue)"], "first_unaffected": ["16.0.5513.1001"], "source": "CVE.org"}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Server 2019", "ranges": ["de 16.0.0 à 16.0.10417.20037 (exclue)"], "first_unaffected": ["16.0.10417.20037"], "source": "CVE.org"}, {"vendor": "Microsoft", "product": "Microsoft SharePoint Server Subscription Edition", "ranges": ["de 16.0.0 à 16.0.18526.20508 (exclue)"], "first_unaffected": ["16.0.18526.20508"], "source": "CVE.org"}], "notes_kev": ["https://www.cisa.gov/news-events/alerts/2025/07/20/microsoft-releases-guidance-exploitation-sharepoint-vulnerability-cve-2025-53770", "https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/", "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53770", "https://nvd.nist.gov/vuln/detail/CVE-2025-53770"]}, "consulted_at": "2026-10-08T05:04:41.313944+00:00"}