{"id":"CVE-2020-1069","title":"A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls","summary":"A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a spe…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-476"],"vendor":"microsoft","product":"sharepoint_enterprise_server","affected":["sharepoint_enterprise_server = 2016","sharepoint_foundation = 2013","sharepoint_server = 2019"],"published":"2020-05-21","updated":"2026-08-19","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-1069","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1069","label":"secure@microsoft.com"},{"url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5147","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1069","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.0398,"epssPercentile":0.90056,"ingestedAt":"2026-08-19T17:42:36.970Z","slug":"CVE-2020-1069","body":"## Overview\n\nA remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a specially crafted page to perform actions in the security context of the SharePoint application pool process.\nTo exploit the vulnerability, an authenticated user must create and invoke a specially crafted page on an affected version of Microsoft SharePoint Server.\nThe security update addresses the vulnerability by correcting how Microsoft SharePoint Server handles processing of created content.\n\n## Affected\n\n- `sharepoint_enterprise_server = 2016`\n- `sharepoint_foundation = 2013`\n- `sharepoint_server = 2019`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.8,"exploitation":0,"ransomware":0},"changes":[{"seq":148,"id":"CVE-2020-1069","ts":1787257226672,"field":"epss","old":"0.09924","new":"0.0398"}]}