{"id":"CVE-2023-24950","published":"2023-05-09T17:03:00Z","modified":"2025-07-10T16:38:56Z","title":"Microsoft SharePoint Server Spoofing Vulnerability","vendor":"Microsoft","product":"Microsoft SharePoint Enterprise Server 2016","tier":"core","eol":null,"affectedVersions":[{"vendor":"Microsoft","product":"Microsoft SharePoint Enterprise Server 2016","versions":[">= 16.0.0, < 16.0.5395.1000"]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server 2019","versions":[">= 16.0.0, < 16.0.10398.20000"]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server Subscription Edition","versions":[">= 16.0.0, < 16.0.16130.20420"]}],"description":{"text":"Microsoft SharePoint Server Spoofing Vulnerability","provenance":"source","from":"CVE.org"},"summary":{"text":"Microsoft SharePoint Enterprise Server 2016 contains a spoofing vulnerability in SharePoint Server, classified under improper input validation. An attacker with low-privilege authenticated access and network reachability to the server can exploit it without any user interaction to gain confidentiality impact.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:17:36Z"},"cvss":{"score":6.5,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.67452,"percentile":0.99305,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":1,"pulses":[{"name":"VTA- Microsoft Tuesday Patch, Fixed multiples vulnerabilities & zero-days flaws","url":"https://otx.alienvault.com/pulse/645bdc01348c87bb8cb47ff2","created":"2023-05-10"}],"provenance":"machine"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24950","tags":["vendor-advisory"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-28937","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-28937","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2023-05-09","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2023-24950","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":25.1,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.86,"detail":"percentile 0.9930"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.68,"detail":"1 pulse"},{"name":"CVSS severity","points":4.55,"detail":"base score 6.5"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-microsoft-sharepoint-cwe-20"}}