CVE-2020-29453

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 20.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-02-22 · updated 2026-06-17
Weakness: CWE-22

Description

The CachingResourceDownloadRewriteRule class in Jira Server and Jira Data Center before version 8.5.11, from 8.6.0 before 8.13.3, and from 8.14.0 before 8.15.0 allowed unauthenticated remote attackers to read arbitrary files within WEB-INF and META-INF directories via an incorrect path access check.

Affected products

Atlassian Data Center: from 8.5.10 before 8.5.11; from 8.6.0 before 8.13.3 — fixed in 8.13.3, 8.5.11
Atlassian Jira: from 8.14.0 before 8.15.0 — fixed in 8.15.0
Atlassian Jira: from 8.5.10 before 8.5.11; from 8.6.0 before 8.13.3; from 8.14.0 before 8.15.0 — fixed in 8.13.3, 8.15.0, 8.5.11

How to fix

Upgrade to a fixed version: Atlassian Data Center 8.13.3, 8.5.11; Atlassian Jira 8.15.0; Atlassian Jira 8.13.3, 8.15.0, 8.5.11. Check the vendor advisory for mitigations.

References

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