CVE catalog
CVE-2020-24916
yaws: CVE-2020-24916
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 17.37% · Oct 25, 2026
CGI implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to OS command injection.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | yaws | sid | 2.3.1+dfsg-2 | fixed |
| Debian | yaws | forky | 2.3.1+dfsg-2 | fixed |
| Debian | yaws | trixie | 2.2.0+dfsg-2 | fixed |
| Debian | yaws | bookworm | 2.1.1+dfsg-2 | fixed |
| Ubuntu | yaws | 16.04 | 1.98-5 | vulnerable |
| Ubuntu | yaws | 16.04 | 1.99-1 | vulnerable |
| Ubuntu | yaws | 16.04 | 1.99-2 | vulnerable |
| Ubuntu | yaws | 16.04 | 2.0.2-1 | vulnerable |
| Ubuntu | yaws | 18.04 | 2.0.4+dfsg-2 | vulnerable |
| Ubuntu | yaws | 18.04 | 2.0.4+dfsg-2ubuntu0.1 | fixed |
| Ubuntu | yaws | 20.04 | 2.0.6+dfsg-1 | vulnerable |
| Ubuntu | yaws | 20.04 | 2.0.6+dfsg-3 | vulnerable |
| Ubuntu | yaws | 20.04 | 2.0.7+dfsg-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | yaws | source | sid | 2.0.8+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | yaws | source | forky | 2.0.8+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | yaws | source | trixie | 2.0.8+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | yaws | source | bookworm | 2.0.8+dfsg-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | yaws | deb | 18.04 | 2.0.4+dfsg-2ubuntu0.1 | Not reported | UBUNTU-CVE-2020-24916 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [erlang-yapp]Fixed
Source package: [yaws]
Details (2)
2.1.1+dfsg-2· amd64 · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
2.1.1+dfsg-2· arm64 · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- [erlang-yaws]Fixed
Source package: [yaws]
Details (2)
2.1.1+dfsg-2· amd64 · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
2.1.1+dfsg-2· arm64 · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- [yaws]Fixed
Details (2)
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- [yaws-chat]Fixed
Source package: [yaws]
Details (2)
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- [yaws-doc]Fixed
Source package: [yaws]
Details (2)
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- [yaws-mail]Fixed
Source package: [yaws]
Details (2)
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- [yaws-wiki]Fixed
Source package: [yaws]
Details (2)
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
- [yaws-yapp]Fixed
Source package: [yaws]
Details (2)
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
2.1.1+dfsg-2· all · bookwormFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · bookworm; dsa · yaws · debian · 12
[Debian 13 (Trixie)]
- [erlang-yapp]Fixed
Source package: [yaws]
Details (2)
2.2.0+dfsg-2· amd64 · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
2.2.0+dfsg-2· arm64 · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
- [erlang-yaws]Fixed
Source package: [yaws]
Details (2)
2.2.0+dfsg-2· amd64 · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
2.2.0+dfsg-2· arm64 · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
- [yaws]Fixed
Details (2)
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
- [yaws-chat]Fixed
Source package: [yaws]
Details (2)
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
- [yaws-doc]Fixed
Source package: [yaws]
Details (2)
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
- [yaws-mail]Fixed
Source package: [yaws]
Details (2)
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
- [yaws-wiki]Fixed
Source package: [yaws]
Details (2)
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
- [yaws-yapp]Fixed
Source package: [yaws]
Details (2)
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
2.2.0+dfsg-2· all · trixieFixed · Fixed:
2.0.8+dfsg-1dsa · yaws · debian · 13
Observed: