CVE-2020-36240

Name: CVE-2020-36240
Creator: NVD / NIST
Published: 2021-03-01T17:15:12.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.23%

Last modified Jun 17, 2026

CVE-2020-36240 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. The ResourceDownloadRewriteRule class in Crowd before version 4.0.4, and from version 4.1.0 before 4.1.2 allowed unauthenticated remote attackers to read arbitrary files within WEB-INF and META-INF directories via an incorrect path access check.. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

Description

The ResourceDownloadRewriteRule class in Crowd before version 4.0.4, and from version 4.1.0 before 4.1.2 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

1.23%

65.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Atlassian	Crowd	< 4.0.4
Atlassian	Crowd	>= 4.1.0, < 4.1.2

References

https://jira.atlassian.com/browse/CWD-5685Issue Tracking, Vendor Advisory
https://jira.atlassian.com/browse/CWD-5685Issue Tracking, Vendor Advisory

Timeline

Published: Mar 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-36240?

How severe is CVE-2020-36240?

CVE-2020-36240 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36240?

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-2020-36240?

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

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Source: NVD / NIST