Strix
26.1K

CVE-2021-21640

MEDIUMCVSS 4.3/10EPSS 1.91%

Last modified

CVE-2021-21640 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name, allowing attackers with View/Create permission to create views with invalid or already-used names.. EPSS estimates a 1.91% chance of exploitation in the next 30 days.

Description

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name, allowing attackers with View/Create permission to create views with invalid or already-used names.

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
1.91%

77.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
JenkinsJenkins<= 2.277.1
JenkinsJenkins<= 2.286

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21640?
Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name, allowing attackers with View/Create permission to create views with invalid or already-used names.
How severe is CVE-2021-21640?
CVE-2021-21640 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.91% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21640?
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-2021-21640?

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

Scan your code now

Source: NVD / NIST