CVE-2020-2161
Improper Neutralization of Input During Web Page Generation in Jenkins
5.4
MEDIUM
CVSS 3.1
EPSS 0.17%
Description
Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages, resulting in a stored XSS vulnerability exploitable by users able to define node labels.
How to fix CVE-2020-2161
To remediate CVE-2020-2161, upgrade the affected package to a fixed version below.
- —upgrade to 2.227.1 or later
- —upgrade to 2.228 or later
Is CVE-2020-2161 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.227.1
- from 0, < 2.228
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 |