CVE-2023-30521

mediumpriority · track · 21OT risk · elevatedEPSS 0.005 · 44 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.52% (44th) EPSS

CVSS 5.3 · medium

Is it mine?

4 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

A missing permission check in Jenkins Assembla merge request builder Plugin 1.1.13 and earlier allows unauthenticated attackers to trigger builds of jobs corresponding to the attacker-specified repository.

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

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

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

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

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

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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-862USprimaryCWE-862US

affected products (4)

Products and version ranges known to be affected.

Jenkins Jenkins Pluginsall versionscert_bundDEcpe:/a:cloudbees:jenkins:plugins
Jenkins Project Jenkins Assembla merge request builder Plugin≤ 0 ≤1.1.13enisa_euvdEU
jenkins assembla merge request builder≤ 1.1.13nvdUScpe:2.3:a:jenkins:assembla_merge_request_builder:*:*:*:*:*:*:*:*
Maven org.jenkins-ci.plugins:assembla-merge-request-builder≤ 1.1.13osvUSpkg:maven/org.jenkins-ci.plugins/assembla-merge-request-builder

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0952Jenkins Plugins: Mehrere SchwachstellenDeutsch2023-04-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Jenkins Plugins ausnutzen, um Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Daten zu manipulieren und einen Cross-Site-Scripting-Angriff durchzuführen.
GHSA-jr86-6j4j-mv45Jenkins Assembla merge request builder Plugin missing authentication to access endpoint2023-04-12ghsa · osvUS
Jenkins Assembla merge request builder Plugin provides a webhook endpoint at `/assembla-webhook/` that can be used to trigger builds of jobs configured to use a specified repository. In Assembla merge request builder Plugin 1.1.13 and earlier, this endpoint can be accessed without authentication. This allows unauthenticated attackers to trigger builds of jobs corresponding to the attacker-specified repository.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2023-04-12modified 2026-06-17

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+11476 more

references (8)

External citations — patches, advisories, analysis.

scry

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