CVE-2020-2231

Public Exploit

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.67% Top 30%
Vendor Advisory jenkins.io
Affected: Jenkins project Jenkins
Published at:
Updated at:

References

Link Tags
https://jenkins.io/security/advisory/2020-08-12/#SECURITY-1960 vendor advisory
http://www.openwall.com/lists/oss-security/2020/08/12/4 third party advisory mailing list
http://packetstormsecurity.com/files/160616/Jenkins-2.251-LTS-2.235.3-Cross-Site-Scripting.html third party advisory vdb entry exploit

Frequently Asked Questions

What is the severity of CVE-2020-2231?
CVE-2020-2231 has been scored as a medium severity vulnerability.
How to fix CVE-2020-2231?
To fix CVE-2020-2231, 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-2020-2231 being actively exploited in the wild?
It is possible that CVE-2020-2231 is being exploited or will be exploited in a near future based on public information. 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-2020-2231?
CVE-2020-2231 affects Jenkins project Jenkins.
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