CVE-2021-21689

Description

FilePath#unzip and FilePath#untar were not subject to any agent-to-controller access control in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

9.1

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.91% Top 20%

Vendor Advisory jenkins.io

Affected: Jenkins project Jenkins

References

Link	Tags
https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-21689?: CVE-2021-21689 has been scored as a critical severity vulnerability.
How to fix CVE-2021-21689?: To fix CVE-2021-21689, 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-2021-21689 being actively exploited in the wild?: It is possible that CVE-2021-21689 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21689?: CVE-2021-21689 affects Jenkins project Jenkins.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.