What’s Vulnerable › Vulnerabilities

CVE-2021-39113

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-30 · updated 2026-06-17
• Weakness: CWE-613

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.

Affected products

• Atlassian Data Center: before 8.13.9 — fixed in 8.13.9
• Atlassian Jira: before 8.13.9 — fixed in 8.13.9
• Atlassian Jira: from 8.14.0 before 8.18.0 — fixed in 8.18.0
• Atlassian Jira: from 8.14.0 before 8.18.0 — fixed in 8.18.0

How to fix

Upgrade to a fixed version: Atlassian Data Center 8.13.9; Atlassian Jira 8.13.9; Atlassian Jira 8.18.0; Atlassian Jira 8.18.0. Check the vendor advisory for mitigations.

References

• https://jira.atlassian.com/browse/JRASERVER-72573
• https://jira.atlassian.com/browse/JRASERVER-72573

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