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CVE-2020-24916
CGI implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to OS command injection.
Critical9.8EPSS 17.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
CGI implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to OS command injection.
Timeline
ID reserved
By mitre
- 12 days later
· 12 days later
Published
- 4 years later
· 4 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 |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 17.4% · top 2.9% 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: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (7)
- https://github.com/erlyaws/yaws/commits/master (opens in a new tab)x_refsource_MISCx_transferred
- https://packetstormsecurity.com/files/159106/Yaws-2.0.7-XML-Injection-Command-Injection.html (opens in a new tab)x_refsource_MISCx_transferred
- https://vuln.be/post/yaws-xxe-and-shell-injections/ (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/vulnbe/poc-yaws-cgi-shell-injection (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20200926 [SECURITY] [DLA 2384-1] yaws security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4569-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-4773 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_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-2020-24916)Record last updated .