CVE-2020-2161

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.30%
Vendor Advisory jenkins.io
Affected: Jenkins project Jenkins
Published at:
Updated at:

References

Link Tags
https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1781 vendor advisory
http://www.openwall.com/lists/oss-security/2020/03/25/2 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-2161?
CVE-2020-2161 has been scored as a medium severity vulnerability.
How to fix CVE-2020-2161?
To fix CVE-2020-2161, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-2161 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-2161 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-2161?
CVE-2020-2161 affects Jenkins project Jenkins.
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