CVE-2022-43412

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-10-19 · updated 2026-06-17
Weakness: CWE-203

Description

Jenkins Generic Webhook Trigger Plugin 1.84.1 and earlier uses a non-constant time comparison function when checking whether the provided and expected webhook token are equal, potentially allowing attackers to use statistical methods to obtain a valid webhook token.

Affected products

Jenkins project Jenkins Generic Webhook Trigger Plugin: before 1.84.2 — fixed in 1.84.2

How to fix

Upgrade to a fixed version: Jenkins project Jenkins Generic Webhook Trigger Plugin 1.84.2. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2022/10/19/3
https://www.jenkins.io/security/advisory/2022-10-19/#SECURITY-2874
http://www.openwall.com/lists/oss-security/2022/10/19/3
https://www.jenkins.io/security/advisory/2022-10-19/#SECURITY-2874

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