{"id":"CVE-2020-0796","aliases":[],"url":"https://o3.security/vulnerability/CVE-2020-0796","summary":"A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote…","details":"A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.","published":"2020-03-12T15:48:18.000Z","modified":"2026-10-01T19:56:22.100Z","cvss":{"score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"epss":{"score":0.9981,"percentile":0.99958,"asOf":"2026-09-17"},"cisaKev":{"dateAdded":"2022-02-10","dueDate":"2022-08-10","knownRansomwareCampaignUse":true},"exploitsKnown":103,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796"},{"type":"WEB","url":"http://packetstormsecurity.com/files/156731/CoronaBlue-SMBGhost-Microsoft-Windows-10-SMB-3.1.1-Proof-Of-Concept.html"},{"type":"WEB","url":"http://packetstormsecurity.com/files/156732/Microsoft-Windows-SMB-3.1.1-Remote-Code-Execution.html"},{"type":"WEB","url":"http://packetstormsecurity.com/files/156980/Microsoft-Windows-10-SMB-3.1.1-Local-Privilege-Escalation.html"},{"type":"WEB","url":"http://packetstormsecurity.com/files/157110/SMBv3-Compression-Buffer-Overflow.html"},{"type":"WEB","url":"http://packetstormsecurity.com/files/157901/Microsoft-Windows-SMBGhost-Remote-Code-Execution.html"},{"type":"WEB","url":"http://packetstormsecurity.com/files/158054/SMBleed-SMBGhost-Pre-Authentication-Remote-Code-Execution-Proof-Of-Concept.html"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0796"}],"provenance":{"sources":["OSV.dev","NVD","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-10-01T19:56:22.100Z"}}