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9.1
CVSSv3

CVE-2021-21685

Published: 04/11/2021 Updated: 22/11/2023
CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10
CVSS v3 Base Score: 9.1 | Impact Score: 5.2 | Exploitability Score: 3.9
VMScore: 570
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N
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Vulnerability Summary

Jenkins 2.318 and previous versions, LTS 2.303.2 and previous versions does not check agent-to-controller access to create parent directories in FilePath#mkdirs.

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Vendor Advisories

Arch Linux Issues:
A security issue has been found in Jenkins before version 2319 FilePath#mkdirs does not check permission to create parent directories This allows agent processes to read and write arbitrary files on the Jenkins controller file system, and obtain some information about Jenkins controller file systems ...

References

CWE-862https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455http://www.openwall.com/lists/oss-security/2021/11/04/3https://nvd.nist.govhttps://security.archlinux.org/CVE-2021-21685
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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