CVE-2021-41311

Name: CVE-2021-41311
Creator: NVD / NIST
Published: 2021-12-08T04:15:06.68+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.84%

Last modified Jun 17, 2026

CVE-2021-41311 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Affected versions of Atlassian Jira Server and Data Center allow attackers with access to an administrator account that has had its access revoked to modify projects' Users & Roles settings, via a Broken Authentication vulnerability in the /plugins/servlet/project-config/PROJECT/roles endpoint. The affected versions are before version 8.19.1.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

Affected versions of Atlassian Jira Server and Data Center allow attackers with access to an administrator account that has had its access revoked to modify projects' Users & Roles settings, via a Broken Authentication vulnerability in the /plugins/servlet/project-config/PROJECT/roles endpoint. The affected versions are before version 8.19.1.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.84%

53.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Atlassian	Jira Software Data Center	< 8.19.1

References

https://jira.atlassian.com/browse/JRASERVER-72802Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-72802Vendor Advisory

Timeline

Published: Dec 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41311?

How severe is CVE-2021-41311?

CVE-2021-41311 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41311?

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-2021-41311?

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

Scan your code now

Source: NVD / NIST