CVE-2021-21682

Description

Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.

4.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.88% Top 30%

Vendor Advisory jenkins.io

Affected: Jenkins project Jenkins

References

Link	Tags
https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424	vendor advisory
http://www.openwall.com/lists/oss-security/2021/10/06/1	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-21682?: CVE-2021-21682 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21682?: To fix CVE-2021-21682, 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-2021-21682 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-21682 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-2021-21682?: CVE-2021-21682 affects Jenkins project Jenkins.

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