CVE-2020-2231
Improper Neutralization of Input During Web Page Generation in Jenkins
5.4
MEDIUM
CVSS 3.1
EPSS 0.47%
Description
Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the remote address of the host starting a build via 'Trigger builds remotely', resulting in a stored cross-site scripting (XSS) vulnerability exploitable by users with Job/Configure permission or knowledge of the Authentication Token.
How to fix CVE-2020-2231
To remediate CVE-2020-2231, upgrade the affected package to a fixed version below.
- —upgrade to 2.251.1 or later
- —upgrade to 2.235.4 or later
Is CVE-2020-2231 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.251.1
- from 0, < 2.235.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |