Is CVE-2021-39113 actively exploited?

No active exploitation of CVE-2021-39113 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-39113 be exploited remotely?

Yes. CVE-2021-39113 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-39113?

CVE-2021-39113 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2021-39113

CWE-613Published: August 30, 2021· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to continue to view cached content even after losing permissions, via a Broken Access Control vulnerability in the allowlist feature. The affected versions are before version 8.13.9, and from version 8.14.0 before 8.18.0.

NVD Source

Technical Analysis

CVE-2021-39113 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 complete confidentiality breach (data exposure), with a CVSS base score of 7.5.