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CVE-2021-21688

high CVSS 7.5 EPSS 1.4%

The agent-to-controller security check FilePath#reading(FileVisitor) in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not reject any operations, allowing users to have unrestricted read access using certain operations (creating archives, FilePath#copyRecursiveTo).

Versions it affects

Software versions checked with the free lookup that CVE-2021-21688 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
High
CVSS base score
7.5 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
1.4% probability of exploitation in the next 30 days, higher than 71% of scored vulnerabilities
Weakness
CWE-862
Published
2021-11-04
NVD CVE.org

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