CVE-2020-1206

high-risk
Published 2020-06-09

An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Information Disclosure Vulnerability'.

Do I need to act?

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31.2% chance of exploitation in next 30 days
EPSS score — higher than 69% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (6)

Affected Vendors

Microsoft

References (4)

Technical Description http://packetstormsecurity.com/files/158053/SMBleed-Uninitialized-Kernel-Memory-...
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1206
Technical Description http://packetstormsecurity.com/files/158053/SMBleed-Uninitialized-Kernel-Memory-...
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1206
55
/ 100
high-risk
Severity 26/34 · High
Exploitability 16/34 · Moderate
Exposure 13/34 · Low