CVE-2021-31975Server for NFS Information Disclosure Vulnerability
- 7.5HighCVSS base score
- 3.7%Exploitation in 30 daysEPSS · top 10% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Server for NFS Information Disclosure Vulnerability
Timeline
ID reserved
By microsoft
- 39 days later
· 39 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 3.7% · top 10% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
Microsoft · Windows 10 Version 1809
- affected 10.0.0 – < 10.0.17763.1999
Microsoft · Windows Server 2019
- affected 10.0.0 – < 10.0.17763.1999
Microsoft · Windows Server 2019 (Server Core installation)
- affected 10.0.0 – < 10.0.17763.1999
Microsoft · Windows 10 Version 1909
- affected 10.0.0 – < 10.0.18363.1621
Microsoft · Windows 10 Version 21H1
- affected 10.0.0 – < 10.0.19043.1052
Microsoft · Windows 10 Version 2004
- affected 10.0.0 – < 10.0.19041.1052
Microsoft · Windows Server version 2004
- affected 10.0.0 – < 10.0.19041.1052
Microsoft · Windows 10 Version 20H2
- affected 10.0.0 – < 10.0.19042.1052
Microsoft · Windows Server version 20H2
- affected 10.0.0 – < 10.0.19042.1052
Microsoft · Windows 10 Version 1507
- affected 10.0.0 – < 10.0.10240.18967
Microsoft · Windows 10 Version 1607
- affected 10.0.0 – < 10.0.14393.4467
Microsoft · Windows Server 2016
- affected 10.0.0 – < 10.0.14393.4467
Microsoft · Windows Server 2016 (Server Core installation)
- affected 10.0.0 – < 10.0.14393.4467
- affected 6.3.0 – < 6.3.9600.20045
- affected 6.3.0 – < 6.3.9600.20044
Microsoft · Windows Server 2012
- affected 6.2.0 – < 6.2.9200.23372
Microsoft · Windows Server 2012 (Server Core installation)
- affected 6.2.0 – < 6.2.9200.23372
Microsoft · Windows Server 2012 R2
- affected 6.3.0 – < 6.3.9600.20045
- affected 6.3.0 – < 6.3.9600.20044
Microsoft · Windows Server 2012 R2 (Server Core installation)
- affected 6.3.0 – < 6.3.9600.20045
- affected 6.3.0 – < 6.3.9600.20044
References
References1
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31975 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-18847 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-31975)Record last updated .