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TI-2021-16515 Aliases CVE-2021-39126GHSA-mx7r-hxjj-47w7

Cross-site request forgery in Atlassian Jira Server

Priority LOW 30CWE-352Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.

Summary

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to modify various resources via a Cross-Site Request Forgery (CSRF) vulnerability, following an Information Disclosure vulnerability in the referrer headers which discloses a user's CSRF token. The affected versions are before version 8.5.10, and from version 8.6.0 before 8.13.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00726 54th percentileScored 2026-11-07
Fix Fixed Jira Server (Atlassian): 8.5.10, 8.13.1Jira Data Center (Atlassian): 8.5.10, 8.13.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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 8.5.10; 8.6.0 and later; before 8.13.18.5.10, 8.13.1Patch availableCNA
AtlassianJira Data Centerbefore 8.5.10; 8.6.0 and later; before 8.13.18.5.10, 8.13.1Patch availableCNA
  • Jira Server VendorAtlassian Affected before 8.5.10; 8.6.0 and later; before 8.13.1 Fixed in 8.5.10, 8.13.1 Patch available CNA
  • Jira Data Center VendorAtlassian Affected before 8.5.10; 8.6.0 and later; before 8.13.1 Fixed in 8.5.10, 8.13.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*before 8.5.10; 8.6.0 to before 8.13.1VulnerableAtlassian
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*before 8.5.10; 8.6.0 to before 8.13.1VulnerableAtlassian
  • cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:* Versions before 8.5.10; 8.6.0 to before 8.13.1 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* Versions before 8.5.10; 8.6.0 to before 8.13.1 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Jira Server (Atlassian) Fixed in 8.5.10, 8.13.1
  • Fix · CNA Jira Data Center (Atlassian) Fixed in 8.5.10, 8.13.1

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 8.13.1, 8.5.10, unspecified

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2021-16516 Affected versions of Atlassian Jira Server and Data Center allow anonymous remote…Priority LOW 33

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-39126
  2. 2026-10-03 Alias added: GHSA-mx7r-hxjj-47w7

References

  • TI-2026-67904 Arbitrary file access in Atlassian Data Center products KEVCVSS 4.0CRITICAL 9.3
  • TI-2022-00460 Improper authentication in Atlassian Jira Core Server CVSS 3.1CRITICAL 9.8
  • TI-2024-14399 Code injection in Atlassian Confluence Data Center CVSS 3.1HIGH 8.8
  • TI-2021-08038 Path traversal in Atlassian Jira Server KEVCVSS 3.1MEDIUM 5.3
  • TI-2020-18559 Missing authorization in Atlassian Jira Data Center CVSS 3.1CRITICAL 9.8
  • TI-2020-18587 Incorrect authorization in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
See all 79 →

Sources