CVE-2021-21670

MEDIUMCVSS 4.3/10EPSS 1.98%

Last modified

CVE-2021-21670 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.. EPSS estimates a 1.98% chance of exploitation in the next 30 days.

Description

Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.

Metrics

CVSS 3.1
4.3/10

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

EPSS Probability
1.98%

78.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
JenkinsJenkins< 2.289.2
JenkinsJenkins< 2.300

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21670?
Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.
How severe is CVE-2021-21670?
CVE-2021-21670 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.98% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21670?
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-2021-21670?

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

Scan your code now

Source: NVD / NIST