CVE-2020-17140 in the critical feed json
Windows SMB Information Disclosure Vulnerability
published 2020-12-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-9094
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 15.3%
- EPSS 15.3% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
Windows SMB Information Disclosure Vulnerability
Patch / fix
- Microsoft Windows 7 6.1.7601.24563
- Microsoft Windows 7 Service Pack 1 6.1.7601.24563
- Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.24563
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.24563
Exploit prediction
15.35% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1803
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 1903 for 32-bit Systems
- Microsoft Windows 10 Version 1903 for ARM64-based Systems
- Microsoft Windows 10 Version 1903 for x64-based Systems
- Microsoft Windows 10 Version 1909
- Microsoft Windows 10 Version 2004
- Microsoft Windows 10 Version 20H2
- Microsoft Windows 7
- Microsoft Windows 7 Service Pack 1
- Microsoft Windows 8.1
- Microsoft Windows Server 2008 R2 Service Pack 1
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 (Server Core installation)
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core installation)
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server version 2004
- Microsoft Windows Server version 20H2
- Microsoft Windows Server, version 1903 (Server Core installation)
- Microsoft Windows Server, version 1909 (Server Core installation)
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2020-17140
vendor-advisory, patch
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-17140
patch, vendor-advisory
Sources
- CVE List CVE-2020-17140
- NVD CVE-2020-17140
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.