CVE-2021-21695

FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.
Link Following
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
jenkinsCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 58%
VendorProductVersion
jenkinsjenkins
𝑥
< 2.303.3
jenkinsjenkins
𝑥
< 2.319
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2021/11/04/3
https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455
http://www.openwall.com/lists/oss-security/2021/11/04/3
https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455