What is the CVSS score of CVE-2021-21626?

CVE-2021-21626 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.9%.

Is there a patch available for CVE-2021-21626?

Yes, a patch is available for CVE-2021-21626. Update the affected software to the latest version immediately.

Warnings Next Generation CVE-2021-21626

MEDIUM

Missing Authorization (CWE-862)

2021-03-18 jenkinsci-cert@googlegroups.com

Jenkins Authentication Bypass Warnings Next Generation

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Mar 18, 2021 - 14:15 nvd

MEDIUM 4.3

DescriptionNVD

Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission but without Item/Workspace or Item/Configure permission to check whether attacker-specified file patterns match workspace contents.

AnalysisAI

Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission but without. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission but without Item/Workspace or Item/Configure permission to check whether attacker-specified file patterns match workspace contents. Affected products include: Jenkins Warnings Next Generation.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.