What is the CVSS score of CVE-2021-21629?

CVE-2021-21629 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Is there a patch available for CVE-2021-21629?

Yes, a patch is available for CVE-2021-21629. Update the affected software to the latest version immediately.

Build With Parameters CVE-2021-21629

HIGH

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

2021-03-30 jenkinsci-cert@googlegroups.com

CSRF Jenkins Build With Parameters

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

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:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 30, 2021 - 12:16 nvd

HIGH 8.8

DescriptionNVD

A cross-site request forgery (CSRF) vulnerability in Jenkins Build With Parameters Plugin 1.5 and earlier allows attackers to build a project with attacker-specified parameters.

AnalysisAI

A cross-site request forgery (CSRF) vulnerability in Jenkins Build With Parameters Plugin 1.5 and earlier allows attackers to build a project with attacker-specified parameters. Rated high severity (CVSS 8.8), 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 Build With Parameters Plugin 1.5 and earlier allows attackers to build a project with attacker-specified parameters. Affected products include: Jenkins Build With Parameters.

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.