CVE-2020-24379
9.8
CRITICAL · CVSS 3.1 · EPSS 3.4% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
WebDAV implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to XXE injection.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.35% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-611 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-09-09 |
| Last modified | 2026-06-17 |
Affected (3)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| debian | debian linux |
| yaws | yaws |
References
- https://github.com/erlyaws/yaws/commits/master
- https://github.com/vulnbe/poc-yaws-dav-xxe
- https://lists.debian.org/debian-lts-announce/2020/09/msg00022.html
- https://packetstormsecurity.com/files/159106/Yaws-2.0.7-XML-Injection-Command-Injection.html
- https://usn.ubuntu.com/4569-1/
- https://vuln.be/post/yaws-xxe-and-shell-injections/
- https://www.debian.org/security/2020/dsa-4773
- https://github.com/erlyaws/yaws/commits/master
- https://github.com/vulnbe/poc-yaws-dav-xxe
- https://lists.debian.org/debian-lts-announce/2020/09/msg00022.html
- https://packetstormsecurity.com/files/159106/Yaws-2.0.7-XML-Injection-Command-Injection.html
- https://usn.ubuntu.com/4569-1/
- https://vuln.be/post/yaws-xxe-and-shell-injections/
- https://www.debian.org/security/2020/dsa-4773
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