What is the CVSS score of CVE-2021-21613?

CVE-2021-21613 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.9%.

Is there a patch available for CVE-2021-21613?

Yes, a patch is available for CVE-2021-21613. Update the affected software to the latest version immediately.

Tics CVE-2021-21613

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2021-01-13 jenkinsci-cert@googlegroups.com

Jenkins XSS Tics

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Jan 13, 2021 - 16:15 nvd

MEDIUM 6.1

DescriptionNVD

AnalysisAI

Jenkins TICS Plugin 2020.3.0.6 and earlier does not escape TICS service responses, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers able to control TICS service. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Jenkins TICS Plugin 2020.3.0.6 and earlier does not escape TICS service responses, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers able to control TICS service response content. Affected products include: Jenkins Tics.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.