CVE-2020-24379
Publication date 9 September 2020
Last updated 26 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
WebDAV implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to XXE injection.
From the Ubuntu Security Team
It was discovered that Yaws did not properly sanitize XML input. A remote attacker could use this vulnerability to execute an XML External Entity (XXE) injection attack.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| yaws | 26.04 LTS resolute |
Not affected
|
| 25.10 questing |
Not affected
|
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Vulnerable
|
|
| 18.04 LTS bionic |
Fixed 2.0.4+dfsg-2ubuntu0.1
|
|
| 16.04 LTS xenial | Ignored end of standard support, was needed | |
| 14.04 LTS trusty | Not in release |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
9.8 · Critical
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
Related Ubuntu Security Notices (USN)
- USN-4569-1
- Yaws vulnerabilities
- 5 October 2020