CVE-2020-1206 in the critical feed json
An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain re…
published 2020-06-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12086
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.6%
- EPSS 10.6% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
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'.
Patch / fix
Exploit prediction
10.56% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Microsoft Windows 10 Version 1909 for 32-bit Systems
- Microsoft Windows 10 Version 1909 for x64-based Systems
- Microsoft Windows 10 Version 1909 for ARM64-based Systems
- Microsoft Windows Server, version 1909 (Server Core installation)
- Microsoft Windows 10 Version 1903 for 32-bit Systems
- Microsoft Windows 10 Version 1903 for x64-based Systems
- Microsoft Windows 10 Version 1903 for ARM64-based Systems
- Microsoft Windows Server, version 1903 (Server Core installation)
- Microsoft Windows 10 Version 2004 for ARM64-based Systems
- Microsoft Windows 10 Version 2004 for x64-based Systems
- Microsoft Windows 10 Version 2004 for 32-bit Systems
- Microsoft Windows Server, version 2004 (Server Core installation)
Classification
- Weakness
-
- CWE-908 Use of Uninitialized Resource
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-1206
patch, vendor-advisory
-
packetstormsecurity.com
/files/158053/SMBleed-Uninitialized-Kernel-Memory-Read-Proof-Of-Concept.html
technical-description
Sources
- CVE List CVE-2020-1206
- NVD CVE-2020-1206
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