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TI-2021-18135 Aliases CVE-2021-41306GHSA-m355-gfjx-99w5

Authorization bypass in Atlassian Jira Server

Priority MEDIUM 42CWE-639Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.

Summary

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view private project and filter names via an Insecure Direct Object References (IDOR) vulnerability in the Average Time in Status Gadget. The affected versions are before version 8.13.12, and from version 8.14.0 before 8.20.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01622 76th percentileScored 2026-11-07
Fix Fixed Jira Server (Atlassian): 8.13.12, 8.20.0Jira Data Center (Atlassian): 8.13.12, 8.20.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AtlassianJira Serverbefore 8.13.12; 8.14.0 and later; before 8.20.08.13.12, 8.20.0Patch availableCNA
AtlassianJira Data Centerbefore 8.13.12; 8.14.0 and later; before 8.20.08.13.12, 8.20.0Patch availableCNA
  • Jira Server VendorAtlassian Affected before 8.13.12; 8.14.0 and later; before 8.20.0 Fixed in 8.13.12, 8.20.0 Patch available CNA
  • Jira Data Center VendorAtlassian Affected before 8.13.12; 8.14.0 and later; before 8.20.0 Fixed in 8.13.12, 8.20.0 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*before 8.13.12VulnerableAtlassian
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*8.14.0 to before 8.20.0VulnerableAtlassian
cpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:*before 8.13.12; 8.14.0 to before 8.20.0VulnerableAtlassian
  • cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* Versions before 8.13.12 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* Versions 8.14.0 to before 8.20.0 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:* Versions before 8.13.12; 8.14.0 to before 8.20.0 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Jira Server (Atlassian) Fixed in 8.13.12, 8.20.0
  • Fix · CNA Jira Data Center (Atlassian) Fixed in 8.13.12, 8.20.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Atlassian Jira Data Center, Jira Server 8.13.12, 8.20.0, unspecified

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2021-18136 Authorization bypass in Atlassian Jira ServerPriority MEDIUM 42

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41306
  2. 2026-10-03 Alias added: GHSA-m355-gfjx-99w5

References

  • 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