What is the CVSS score of CVE-2021-21641?

CVE-2021-21641 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N. EPSS exploitation probability: 1.2%.

Is there a patch available for CVE-2021-21641?

Yes, a patch is available for CVE-2021-21641. Update the affected software to the latest version immediately.

Promoted Builds CVE-2021-21641

MEDIUM

Cross-Site Request Forgery (CSRF) (CWE-352)

2021-04-07 jenkinsci-cert@googlegroups.com

CSRF Jenkins Promoted Builds

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Apr 07, 2021 - 14:15 nvd

MEDIUM 4.3

DescriptionNVD

A cross-site request forgery (CSRF) vulnerability in Jenkins promoted builds Plugin 3.9 and earlier allows attackers to to promote builds.

AnalysisAI

A cross-site request forgery (CSRF) vulnerability in Jenkins promoted builds Plugin 3.9 and earlier allows attackers to to promote builds. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. A cross-site request forgery (CSRF) vulnerability in Jenkins promoted builds Plugin 3.9 and earlier allows attackers to to promote builds. Affected products include: Jenkins Promoted Builds.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.