CVE-2024-23903

mediumpriority · track · 21EPSS 0.005 · 43 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.50% (43rd) EPSS

CVSS 5.3 · medium

Is it mine?

11 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Jenkins GitLab Branch Source Plugin 684.vea_fa_7c1e2fe3 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.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.7–5.3

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondaryexploitability 3.9 · impact 1.4

v3.13.7lowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · OSV

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-697USprimaryCWE-697USCWE-697US

affected products (11)

Products and version ranges known to be affected.

Jenkins Jenkins <2.442all versionscert_bundDE
Jenkins Jenkins <LTS 2.426.3all versionscert_bundDE
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
jenkins Jenkins< 2.442cert_bundDE
jenkins Jenkins< LTS 2.426.3cert_bundDE
Jenkins Project Jenkins GitLab Branch Source Plugin≤ 0 ≤684.vea_fa_7c1e2fe3enisa_euvdEU
Jenkins Project Jenkins GitLab Branch Source Pluginall versionsenisa_euvdEU
CD Foundation Jenkins GitLab Branch Source Plugin≤ 684.vea_fa_7c1e2fe3fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
jenkins github branch source≤ 684.vea_fa_7c1e2fe3nvdUScpe:2.3:a:jenkins:github_branch_source:*:*:*:*:*:*:*:*
Maven io.jenkins.plugins:gitlab-branch-source< 688.v5faosvUSpkg:maven/io.jenkins.plugins/gitlab-branch-source

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0199Jenkins: Mehrere SchwachstellenDeutsch2024-01-24csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in Jenkins ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Dateien zu manipulieren oder Cross-Site Scripting (XSS)-Angriffe durchzuführen.
GHSA-f67f-2j6r-m4c9Non-constant time webhook token comparison in Jenkins GitLab Branch Source Plugin 2024-01-24ghsa · osvUS
Jenkins GitLab Branch Source Plugin 684.vea_fa_7c1e2fe3 and earlier does not use a constant-time comparison function when checking whether the provided and expected webhook token are equal. This could potentially allow attackers to use statistical methods to obtain a valid webhook token. GitLab Branch Source Plugin 688.v5fa_356ee8520 uses a constant-time comparison function when validating the webhook token.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2024-01-24modified 2026-06-17

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+216 more

references (9)

External citations — patches, advisories, analysis.

scry

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