{"schema":"threatline.record/2","record":{"id":"CVE-2023-24955","aliases":[],"summary":"Microsoft SharePoint Server Code Injection Vulnerability","details":"Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.","categories":["Applications & CMS"],"product":"SharePoint Server","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-24955","source_modified_at":"2025-10-21T23:05:47.942Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft SharePoint Enterprise Server 2016","vendor":"Microsoft","versions":[{"version":"16.0.0","lessThan":"16.0.5395.1000","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-24955","source_modified_at":"2025-10-21T23:05:47.942Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft SharePoint Server 2019","vendor":"Microsoft","versions":[{"version":"16.0.0","lessThan":"16.0.10398.20000","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-24955","source_modified_at":"2025-10-21T23:05:47.942Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Microsoft SharePoint Server Subscription Edition","vendor":"Microsoft","versions":[{"version":"16.0.0","lessThan":"16.0.16130.20420","versionType":"custom","status":"affected"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-24955","source_modified_at":"2025-10-21T23:05:47.942Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Microsoft SharePoint Enterprise Server 2016","ecosystem":null},"version":"16.0.5395.1000","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-24955","source_modified_at":"2025-10-21T23:05:47.942Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Microsoft SharePoint Server 2019","ecosystem":null},"version":"16.0.10398.20000","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-24955","source_modified_at":"2025-10-21T23:05:47.942Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Microsoft SharePoint Server Subscription Edition","ecosystem":null},"version":"16.0.16130.20420","basis":"first unaffected version stated in the CVE record"}],"cvss":7.2,"severity":"High","kev":{"listed":true,"date_added":"2024-03-26","due_date":"2024-04-16","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Known"},"epss":{"probability":0.84974,"percentile":0.99715,"score_date":"2026-10-23"},"published_at":"2023-05-09T17:03:01.864Z","modified_at":"2025-10-21T23:05:47.942Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2023-24955","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:05:47.942Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/sharepoint_dynamic_proxy_generator_auth_bypass_rce.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2023-05-01"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2023-24955","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","EPSS"],"references":[{"source":"CVE List","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955","tags":["vendor-advisory","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-24955","source":"CISA KEV"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-24955","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2024-05-01T16:46:27.874783Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Sharepoint Dynamic Proxy Generator Unauth RCE","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/sharepoint_dynamic_proxy_generator_auth_bypass_rce.rb","date":"2023-05-01","added":"2025-12-17","check":true}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:05:47.942Z","content_hash":"7a14aa1fd4629a627c313f39ab7cc9c403a407ef03c42b3eff2bd0ef783e65cd"}}