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7.5
CVSSv2

CVE-2021-21693

Published: 04/11/2021 Updated: 22/11/2023
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

When creating temporary files, agent-to-controller access to create those files is only checked after they've been created in Jenkins 2.318 and previous versions, LTS 2.303.2 and previous versions.

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Vendor Advisories

Arch Linux Issues:
A security issue has been found in Jenkins before version 2319 When creating temporary files, permission to create files is only checked after they’ve been created 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-863https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455https://nvd.nist.govhttps://security.archlinux.org/CVE-2021-21693
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
authentication bypassCVE-2024-30051remoteCVE-2024-27954CVE-2023-51483CVE-2023-47782SSRFCVE-2024-24715CVE-2023-52424
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