CVE-2022-0538
DoS vulnerability in bundled XStream library in Jenkins Core
6.5
MEDIUM
CVSS 3.1
EPSS 0.50%
Description
Jenkins 2.333 and earlier, LTS 2.319.2 and earlier is affected by the XStream library’s vulnerability [CVE-2021-43859](https://x-stream.github.io/CVE-2021-43859.html). This library is used by Jenkins to serialize and deserialize various XML files, like global and job `config.xml`, `build.xml`, and numerous others. This allows attackers able to submit crafted XML files to Jenkins to be parsed as configuration, e.g. through the `POST config.xml` API, to cause a denial of service (DoS).
How to fix CVE-2022-0538
To remediate CVE-2022-0538, upgrade the affected package to a fixed version below.
- —upgrade to 2.334.0 or later
- —upgrade to 2.334 or later
Is CVE-2022-0538 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.334.0
- >= 2.320, < 2.334
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |