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TI-2021-19715 Aliases CVE-2021-43953GHSA-j485-xjwc-7p25

Cross-site request forgery in Atlassian Jira Server

Priority LOW 21CWE-352Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Tampering
Confidentiality · integrity · availability
None · None · Low
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 unauthenticated remote attackers to toggle the Thread Contention and CPU monitoring settings via a Cross-Site Request Forgery (CSRF) vulnerability in the /secure/admin/ViewInstrumentation.jspa endpoint. The affected versions are before version 8.13.16, and from version 8.14.0 before 8.20.5.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.005 43rd percentileScored 2026-11-07
Fix Fixed Jira Server (Atlassian): 8.13.16, 8.20.5Jira Data Center (Atlassian): 8.13.16, 8.20.5

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 8.13.16; next of 8.14.0 and later; before 8.20.58.13.16, 8.20.5Patch availableCNA
AtlassianJira Data Centerbefore 8.13.16; next of 8.14.0 and later; before 8.20.58.13.16, 8.20.5Patch availableCNA
  • Jira Server VendorAtlassian Affected before 8.13.16; next of 8.14.0 and later; before 8.20.5 Fixed in 8.13.16, 8.20.5 Patch available CNA
  • Jira Data Center VendorAtlassian Affected before 8.13.16; next of 8.14.0 and later; before 8.20.5 Fixed in 8.13.16, 8.20.5 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*before 8.13.16; 8.14.0 to before 8.20.5VulnerableAtlassian
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*before 8.13.16; 8.14.0 to before 8.20.5VulnerableAtlassian
  • cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:* Versions before 8.13.16; 8.14.0 to before 8.20.5 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* Versions before 8.13.16; 8.14.0 to before 8.20.5 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Jira Server (Atlassian) Fixed in 8.13.16, 8.20.5
  • Fix · CNA Jira Data Center (Atlassian) Fixed in 8.13.16, 8.20.5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43953
  2. 2026-10-03 Alias added: GHSA-j485-xjwc-7p25

References

  • TI-2020-18587 Incorrect authorization in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
  • TI-2020-11107 Information disclosure in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
  • TI-2021-16503 Insufficient session expiration in Atlassian Jira Server CVSS 3.1HIGH 7.5
  • TI-2017-13320 Code injection in Atlassian Jira Server CVSS 3.1HIGH 8.8
  • TI-2020-17687 Path traversal in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
  • TI-2021-16512 Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote… CVSS 3.1HIGH 7.5
See all 37 →

Sources