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Vulnerability lookup

CVE-2021-21639

medium CVSS 4.3 EPSS 2.7%

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.

Versions it affects

Software versions checked with the free lookup that CVE-2021-21639 applies to, and the release that fixes it where the sources name one.

At a glance

Severity
Medium
CVSS base score
4.3 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
2.7% probability of exploitation in the next 30 days, higher than 85% of scored vulnerabilities
Published
2021-04-07

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