CVE-2020-2221

Description

Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape the upstream job's display name shown as part of a build cause, resulting in a stored cross-site scripting vulnerability.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.58%
Vendor Advisory jenkins.io
Affected: Jenkins project Jenkins
Published at:
Updated at:

References

Link Tags
https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1901 vendor advisory
http://www.openwall.com/lists/oss-security/2020/07/15/5 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-2221?
CVE-2020-2221 has been scored as a medium severity vulnerability.
How to fix CVE-2020-2221?
To fix CVE-2020-2221, 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-2020-2221 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-2221 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-2221?
CVE-2020-2221 affects Jenkins project Jenkins.
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