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TI-2020-18560 Aliases CVE-2020-36240GHSA-23rx-x963-qprq

The ResourceDownloadRewriteRule class in Crowd before version 4.0.4, and from version…

Priority LOW 27Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01277 70th percentileScored 2026-11-07
Fix Fixed Crowd (Atlassian): 4.0.4, 4.1.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AtlassianCrowdbefore 4.0.4; 4.1.0 and later; before 4.1.24.0.4, 4.1.2Patch availableCNA
  • Crowd VendorAtlassian Affected before 4.0.4; 4.1.0 and later; before 4.1.2 Fixed in 4.0.4, 4.1.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*before 4.0.4; 4.1.0 to before 4.1.2VulnerableAtlassian
  • cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:* Versions before 4.0.4; 4.1.0 to before 4.1.2 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Crowd (Atlassian) Fixed in 4.0.4, 4.1.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-36240
  2. 2026-10-03 Alias added: GHSA-23rx-x963-qprq

References

Advisory 1

  • TI-2019-08653 Atlassian Crowd and Crowd Data Center had the pdkinstall development plugin incorrectly… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-67904 Arbitrary file access in Atlassian Data Center products KEVCVSS 4.0CRITICAL 9.3
  • TI-2012-02540 Atlassian JIRA before 5.0.1; Confluence before 3.5.16, 4.0 before 4.0.7, and 4.1 before… CVSS 3.1CRITICAL 9.1
  • TI-2022-09598 Improper authentication in Atlassian Bamboo Server CVSS 3.1CRITICAL 9.8
  • TI-2022-21516 Affected versions of Atlassian Crowd allow an attacker to authenticate as the crowd… CVSS 3.1CRITICAL 9.8
  • TI-2016-05568 The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5… CVSS 3.0CRITICAL 9.8
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences