CVE-2021-39114

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-05 · updated 2026-06-17
Weakness: CWE-94

Description

Affected versions of Atlassian Confluence Server and Data Center allow users with a valid account on a Confluence Data Center instance to execute arbitrary Java code or run arbitrary system commands by injecting an OGNL payload. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.

Affected products

Atlassian Confluence Data Center: before 6.13.23; from 6.14.0 before 7.4.11; from 7.5.0 before 7.11.6; from 7.12.0 before 7.12.5 — fixed in 6.13.23, 7.11.6, 7.12.5, 7.4.11
Atlassian Confluence Data Center: before 6.13.23; from 6.14.0 before 7.4.11; from 7.5.0 before 7.11.6; from 7.12.0 before 7.12.5 — fixed in 6.13.23, 7.11.6, 7.12.5, 7.4.11

How to fix

Upgrade to a fixed version: Atlassian Confluence Data Center 6.13.23, 7.11.6, 7.12.5, 7.4.11; Atlassian Confluence Data Center 6.13.23, 7.11.6, 7.12.5, 7.4.11. Check the vendor advisory for mitigations.

References

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