CVE-2021-21613

Name: CVE-2021-21613
Creator: NVD / NIST
Published: 2021-01-13T16:15:14.273+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.95%

Last modified Jun 17, 2026

CVE-2021-21613 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.95%

56.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Jenkins	Tics	<= 2020.3.0.6

References

https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2098Vendor Advisory
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2098Vendor Advisory

Timeline

Published: Jan 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21613?

How severe is CVE-2021-21613?

CVE-2021-21613 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21613?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21613?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST