CVE-2020-0796

critical-risk
Published 2020-03-12

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'.

Do I need to act?

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94.4% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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3 public exploits available
48216, 48267, 48537
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
10
CVSS 10.0/10 Critical
NETWORK / LOW complexity

Affected Products (8)

Affected Vendors

Microsoft

References (15)

Third Party Advisory http://packetstormsecurity.com/files/156731/CoronaBlue-SMBGhost-Microsoft-Window...
Exploit http://packetstormsecurity.com/files/156732/Microsoft-Windows-SMB-3.1.1-Remote-C...
Third Party Advisory http://packetstormsecurity.com/files/156980/Microsoft-Windows-10-SMB-3.1.1-Local...
Exploit http://packetstormsecurity.com/files/157110/SMBv3-Compression-Buffer-Overflow.ht...
Third Party Advisory http://packetstormsecurity.com/files/157901/Microsoft-Windows-SMBGhost-Remote-Co...
Third Party Advisory http://packetstormsecurity.com/files/158054/SMBleed-SMBGhost-Pre-Authentication-...
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796
Third Party Advisory http://packetstormsecurity.com/files/156731/CoronaBlue-SMBGhost-Microsoft-Window...
Exploit http://packetstormsecurity.com/files/156732/Microsoft-Windows-SMB-3.1.1-Remote-C...
Third Party Advisory http://packetstormsecurity.com/files/156980/Microsoft-Windows-10-SMB-3.1.1-Local...
Exploit http://packetstormsecurity.com/files/157110/SMBv3-Compression-Buffer-Overflow.ht...
Third Party Advisory http://packetstormsecurity.com/files/157901/Microsoft-Windows-SMBGhost-Remote-Co...
Third Party Advisory http://packetstormsecurity.com/files/158054/SMBleed-SMBGhost-Pre-Authentication-...
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-...
74
/ 100
critical-risk
Severity 33/34 · Critical
Exploitability 27/34 · High
Exposure 14/34 · Moderate