# CVE-2020-0796 (SMBGhost)

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'.

- Page: https://www.vulneraibility.com/cve/CVE-2020-0796
- CVSS: 10.0
- Known exploited: yes, in CISA KEV since 2022-02-10; CISA due date 2022-08-10; known ransomware use
- EPSS: 99.81% (percentile 100.0)
- Public exploit code: 3 on Exploit-DB · 2 Metasploit modules · 86 GitHub proofs of concept · 1 Nuclei template (first 2020-03-10)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2026-08-12)
- Weakness: CWE-119
- Published: 2020-03-12

## Affected

- microsoft:windows_10_1903
- microsoft:windows_10_1909
- microsoft:windows_server_1903
- microsoft:windows_server_1909

## References

- [other] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796
- [other] http://packetstormsecurity.com/files/156731/CoronaBlue-SMBGhost-Microsoft-Windows-10-SMB-3.1.1-Proof-Of-Concept.html
- [other] http://packetstormsecurity.com/files/156732/Microsoft-Windows-SMB-3.1.1-Remote-Code-Execution.html
- [other] http://packetstormsecurity.com/files/156980/Microsoft-Windows-10-SMB-3.1.1-Local-Privilege-Escalation.html
- [other] http://packetstormsecurity.com/files/157110/SMBv3-Compression-Buffer-Overflow.html
- [other] http://packetstormsecurity.com/files/157901/Microsoft-Windows-SMBGhost-Remote-Code-Execution.html
- [other] http://packetstormsecurity.com/files/158054/SMBleed-SMBGhost-Pre-Authentication-Remote-Code-Execution-Proof-Of-Concept.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0796

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.