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CVE-2021-21693

critical CVSS 9.8 EPSS 1.6%

When creating temporary files, agent-to-controller access to create those files is only checked after they've been created in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Versions it affects

Software versions checked with the free lookup that CVE-2021-21693 applies to, and the release that fixes it where the sources name one.

Jenkins 1.509 fixed in 2.303.3

At a glance

Severity
Critical
CVSS base score
9.8 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
1.6% probability of exploitation in the next 30 days, higher than 74% of scored vulnerabilities
Weakness
CWE-863
Published
2021-11-04
NVD CVE.org

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