CVE-2021-34468 json
Microsoft SharePoint Server Remote Code Execution Vulnerability
published 5y ago modified 2mo ago also EUVD-2021-21123
- cvss
- 8.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
Microsoft SharePoint Server Remote Code Execution Vulnerability
Patch / fix
- Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.5188.1000
- Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1 15.0.5363.1000
- Microsoft Microsoft SharePoint Server 2019 16.0.10376.20001
Is CVE-2021-34468 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.15% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.4 | AV:A/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Microsoft Microsoft SharePoint Enterprise Server 2016
- Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1
- Microsoft Microsoft SharePoint Server 2019
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2021-34468
vendor-advisory, patch
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2021-34468
patch, vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-829/
third-party-advisory
Sources
- CVE List CVE-2021-34468
- NVD CVE-2021-34468
Fencer Intel 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.