CVE-2023-41935

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-06 · updated 2026-06-17
Weakness: CWE-697

Description

Jenkins Azure AD Plugin 396.v86ce29279947 and earlier, except 378.380.v545b_1154b_3fb_, uses a non-constant time comparison function when checking whether the provided and expected CSRF protection nonce are equal, potentially allowing attackers to use statistical methods to obtain a valid nonce.

Affected products

Jenkins project Jenkins Azure AD Plugin: through 348.vefd011eea_20b; from 378.vd6e2874a_69eb through 396.v86ce29279947

References

http://www.openwall.com/lists/oss-security/2023/09/06/9
https://www.jenkins.io/security/advisory/2023-09-06/#SECURITY-3227
http://www.openwall.com/lists/oss-security/2023/09/06/9
https://www.jenkins.io/security/advisory/2023-09-06/#SECURITY-3227

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