{"id":"CVE-2020-1595","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-1595","generatedAt":"2026-10-27T22:25:45.027Z","title":"

A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input.","description":"

A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.

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Exploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.

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The security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.

","published":"2020-09-11T17:15:22.000Z","lastModified":"2026-06-17T03:01:50.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":9.9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-494"],"affected":["microsoft/sharepoint enterprise server","microsoft/sharepoint foundation","microsoft/sharepoint server"],"epss":{"score":0.01979,"percentile":0.80397,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1595","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1595","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-1595","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}