Jenkins Google Login Plugin non-constant time token comparison

published 2023-09-06 3 y ago modified 2026-06-17 4 mo ago also GHSA-g58x-57fv-86jh , EUVD-2023-2500

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

Jenkins Google Login Plugin 1.7 and earlier uses a non-constant time comparison function when checking whether the provided and expected token are equal, potentially allowing attackers to use statistical methods to obtain a valid token.

Patch / fix

fixed in 1 links 1

maven org.jenkins-ci.plugins:google-login 1.8

github.com/jenkinsci/google-login-plugin@2273af0 commit

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-09-26)

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.jenkins-ci.plugins:google-login	<1.8	1.8

Affected products

Jenkins Project Jenkins Google Login Plugin

Classification

Weakness

CWE-697 Incorrect Comparison

References

github.com /jenkinsci/google-login-plugin/commit/2273af025ad06ee13ab73a5a070b10689c2db61e
web
jenkins.io /security/advisory/2023-09-06/#SECURITY-3228
vendor-advisory, web
openwall.com /lists/oss-security/2023/09/06/9
web, mailing-list, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2023-41936
advisory
github.com /jenkinsci/google-login-plugin
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary