CVE-2020-29453

Name: CVE-2020-29453
Creator: NVD / NIST
Published: 2021-02-22T21:15:19.553+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 23.09%

Last modified Jun 17, 2026

CVE-2020-29453 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 23.09% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

23.09%

97.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Atlassian	Data Center	>= 8.5.10, < 8.5.11
Atlassian	Data Center	>= 8.6.0, < 8.13.3
Atlassian	Jira Data Center	>= 8.14.0, < 8.15.0
Atlassian	Jira Server	>= 8.5.10, < 8.5.11
Atlassian	Jira Server	>= 8.6.0, < 8.13.3
Atlassian	Jira Server	>= 8.14.0, < 8.15.0

References

https://jira.atlassian.com/browse/JRASERVER-72014Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-72014Vendor Advisory

Timeline

Published: Feb 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-29453?

How severe is CVE-2020-29453?

CVE-2020-29453 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 23.09% probability of exploitation in the next 30 days.

How do I fix CVE-2020-29453?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-29453?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST