CVE-2021-21616

MEDIUMCVSS 4.6/10EPSS 78.82%

Last modified

CVE-2021-21616 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.. EPSS estimates a 78.82% chance of exploitation in the next 30 days.

Description

Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Metrics

CVSS 3.1
4.6/10

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

EPSS Probability
78.82%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
JenkinsActive Choices<= 2.5.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21616?
Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
How severe is CVE-2021-21616?
CVE-2021-21616 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 78.82% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21616?
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-2021-21616?

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

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Source: NVD / NIST