Read the docs
TI-2020-03519 Aliases CVE-2020-4028GHSA-pvrh-7mfr-7cr8

Observable discrepancy in Atlassian Jira Server and Data Center

Priority LOW 26CWE-203Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-203.

Summary

Versions before 8.9.1, Various resources in Jira responded with a 404 instead of redirecting unauthenticated users to the login page, in some situations this may have allowed unauthorised attackers to determine if certain resources exist or not through an Information Disclosure vulnerability.

Why it matters now

EPSS 0.00923 60th percentileScored 2026-11-07
Fix Fixed Jira Server and Data Center (Atlassian): 8.9.1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AtlassianJira Server and Data Centerbefore 8.9.18.9.1Patch availableCNA
  • Jira Server and Data Center VendorAtlassian Affected before 8.9.1 Fixed in 8.9.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*before 8.9.1VulnerableAtlassian
cpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:*before 8.9.1VulnerableAtlassian
  • cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* Versions before 8.9.1 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:* Versions before 8.9.1 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Jira Server and Data Center (Atlassian) Fixed in 8.9.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-4028
  2. 2026-10-03 Alias added: GHSA-pvrh-7mfr-7cr8

References

Advisory 1

  • TI-2020-18587 Incorrect authorization in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
  • 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-2020-11107 Information disclosure in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
  • TI-2019-06058 The CachingResourceDownloadRewriteRule class in Jira before version 7.13.4, and from… CVSS 3.1HIGH 7.5
  • TI-2019-06065 Missing authentication in Atlassian Jira CVSS 3.1MEDIUM 5.3
  • TI-2017-03897 The JIRA Workflow Designer Plugin in Atlassian JIRA Server before 6.3.0 improperly uses… CVSS 3.0CRITICAL 9.8
See all 141 →

Sources

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