Is CVE-2021-41311 actively exploited?

No active exploitation of CVE-2021-41311 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-41311 be exploited remotely?

Yes. CVE-2021-41311 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-41311?

CVE-2021-41311 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2021-41311

CWE-287Published: December 8, 2021· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2021-41311 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.