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CVE-2021-28459
Azure DevOps Server Spoofing Vulnerability
Medium6.1EPSS 2.3%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
Azure DevOps Server Spoofing Vulnerability
Timeline
ID reserved
By microsoft
- 29 days later
· 29 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 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C |
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 2.3% · top 16% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
Microsoft · Azure DevOps Server 2020.0.1
- affected 2020 – < publication
References (3)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28459 (opens in a new tab)x_refsource_MISCx_transferred
- 20210414 SEC Consult SA-20210414-0 :: Reflected cross-site scripting in Microsoft Azure DevOps Server (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- http://packetstormsecurity.com/files/162190/Microsoft-Azure-DevOps-Server-2020.0.1-Cross-Site-Scripting.html (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)
- 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://trackcve.app/cve/CVE-2021-28459)Record last updated .