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CVE-2021-21606

medium CVSS 4.3 EPSS 1.2%

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existence allowing an attacker to check for the existence of XML files with a short path.

Versions it affects

Software versions checked with the free lookup that CVE-2021-21606 applies to, and the release that fixes it where the sources name one.

Jenkins 1.509

At a glance

Severity
Medium
CVSS base score
4.3 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
1.2% probability of exploitation in the next 30 days, higher than 67% of scored vulnerabilities
Weakness
CWE-20
Published
2021-01-13
NVD CVE.org

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