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7.5
CVSSv3

CVE-2021-21671

Published: 30/06/2021 Updated: 25/10/2023
CVSS v2 Base Score: 5.1 | Impact Score: 6.4 | Exploitability Score: 4.9
CVSS v3 Base Score: 7.5 | Impact Score: 5.9 | Exploitability Score: 1.6
VMScore: 454
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P
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Vulnerability Summary

Jenkins 2.299 and previous versions, LTS 2.289.1 and previous versions does not invalidate the previous session on login.

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Vendor Advisories

Arch Linux Issues:
Jenkins 2299 and earlier does not invalidate the existing session on login This allows attackers to use social engineering techniques to gain administrator access to Jenkins Jenkins 2300 invalidates the existing session on login ...

References

https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371http://www.openwall.com/lists/oss-security/2021/06/30/1https://nvd.nist.govhttps://security.archlinux.org/CVE-2021-21671
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
authentication bypassCVE-2024-30051remoteCVE-2024-27954CVE-2023-51483CVE-2023-47782SSRFCVE-2024-24715CVE-2023-52424
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