Description
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.
Remediation
References
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2023
Related Vulnerabilities
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CVE-2021-23926 Vulnerability in maven package org.apache.xmlbeans:xmlbeans
CVE-2020-7020 Vulnerability in maven package org.elasticsearch:elasticsearch