CVE-2021-21606

Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existence allowing an attacker to check for the existence of XML files with a short path.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Vendor Advisory jenkins.io
Affected: Jenkins project Jenkins
Published at:
Updated at:

References

Link Tags
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2023 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-21606?
CVE-2021-21606 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21606?
To fix CVE-2021-21606, 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-2021-21606 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21606 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-2021-21606?
CVE-2021-21606 affects Jenkins project Jenkins.
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