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TI-2021-19708 Aliases CVE-2021-43946GHSA-g68c-mch5-w4f4

Affected versions of Atlassian Jira Server and Data Center allow authenticated remote…

Priority LOW 31Published · Updated

Key facts

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

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

Summary

Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to add administrator groups to filter subscriptions via a Broken Access Control vulnerability in the /secure/EditSubscription.jspa endpoint. The affected versions are before version 8.13.21, and from version 8.14.0 before 8.20.9.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01186 68th percentileScored 2026-11-07
Fix Fixed Jira Server (Atlassian): 8.13.21, 8.20.9Jira Data Center (Atlassian): 8.13.21, 8.20.9

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 8.13.21; 8.14.0 and later; before 8.20.98.13.21, 8.20.9Patch availableCNA
AtlassianJira Data Centerbefore 8.13.21; 8.14.0 and later; before 8.20.98.13.21, 8.20.9Patch availableCNA
  • Jira Server VendorAtlassian Affected before 8.13.21; 8.14.0 and later; before 8.20.9 Fixed in 8.13.21, 8.20.9 Patch available CNA
  • Jira Data Center VendorAtlassian Affected before 8.13.21; 8.14.0 and later; before 8.20.9 Fixed in 8.13.21, 8.20.9 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*before 8.13.21; 8.14.0 to before 8.20.9VulnerableAtlassian
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*before 8.13.21; 8.14.0 to before 8.20.9VulnerableAtlassian
  • cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:* Versions before 8.13.21; 8.14.0 to before 8.20.9 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* Versions before 8.13.21; 8.14.0 to before 8.20.9 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Jira Server (Atlassian) Fixed in 8.13.21, 8.20.9
  • Fix · CNA Jira Data Center (Atlassian) Fixed in 8.13.21, 8.20.9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43946
  2. 2026-10-03 Alias added: GHSA-g68c-mch5-w4f4

References

Advisory 1

  • 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

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