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TI-2021-19721 Aliases CVE-2021-43959GHSA-5rqp-fx48-4mvw

Server-side request forgery in Atlassian Jira Service Management Server

Priority LOW 27CWE-918Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to access the content of internal network resources via a Server-Side Request Forgery (SSRF) vulnerability in the CSV importing feature of JSM Insight. When running in an environment like Amazon EC2, this flaw may be used to access to a metadata resource that provides access credentials and other potentially confidential information. The affected versions are before version 4.13.20, from version 4.14.0 before 4.20.8, and from version 4.21.0 before 4.22.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0072 54th percentileScored 2026-11-07
Fix Fixed Jira Service Management Server (Atlassian): 4.13.20, 4.20.8, 4.22.2Jira Service Management Data Center (Atlassian): 4.13.20, 4.20.8, 4.22.2

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 Service Management Serverbefore 4.13.20; 4.14.0 and later; before 4.20.8; 4.21.0 and later; before 4.22.24.13.20, 4.20.8, 4.22.2Patch availableCNA
AtlassianJira Service Management Data Centerbefore 4.13.20; 4.14.0 and later; before 4.20.8; 4.21.0 and later; before 4.22.24.13.20, 4.20.8, 4.22.2Patch availableCNA
  • Jira Service Management Server VendorAtlassian Affected before 4.13.20; 4.14.0 and later; before 4.20.8; 4.21.0 and later; before 4.22.2 Fixed in 4.13.20, 4.20.8, 4.22.2 Patch available CNA
  • Jira Service Management Data Center VendorAtlassian Affected before 4.13.20; 4.14.0 and later; before 4.20.8; 4.21.0 and later; before 4.22.2 Fixed in 4.13.20, 4.20.8, 4.22.2 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:jira_service_desk:*:*:*:*:data_center:*:*:*before 4.13.20VulnerableAtlassian
cpe:2.3:a:atlassian:jira_service_desk:*:*:*:*:server:*:*:*before 4.13.20VulnerableAtlassian
cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:data_center:*:*:*4.14.0 to before 4.20.8VulnerableAtlassian
cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:server:*:*:*4.14.0 to before 4.20.8VulnerableAtlassian
cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:data_center:*:*:*4.21.0 to before 4.22.2VulnerableAtlassian
cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:server:*:*:*4.21.0 to before 4.22.2VulnerableAtlassian
  • cpe:2.3:a:atlassian:jira_service_desk:*:*:*:*:data_center:*:*:* Versions before 4.13.20 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_service_desk:*:*:*:*:server:*:*:* Versions before 4.13.20 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:data_center:*:*:* Versions 4.14.0 to before 4.20.8 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:server:*:*:* Versions 4.14.0 to before 4.20.8 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:data_center:*:*:* Versions 4.21.0 to before 4.22.2 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:server:*:*:* Versions 4.21.0 to before 4.22.2 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Jira Service Management Server (Atlassian) Fixed in 4.13.20, 4.20.8, 4.22.2
  • Fix · CNA Jira Service Management Data Center (Atlassian) Fixed in 4.13.20, 4.20.8, 4.22.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43959
  2. 2026-10-03 Alias added: GHSA-5rqp-fx48-4mvw

References

  • TI-2026-67904 Arbitrary file access in Atlassian Data Center products KEVCVSS 4.0CRITICAL 9.3
  • TI-2020-18559 Missing authorization in Atlassian Jira Data Center CVSS 3.1CRITICAL 9.8
  • TI-2022-09597 Server-side request forgery in Atlassian Jira Core Server CVSS 3.1MEDIUM 6.5
  • TI-2022-09598 Improper authentication in Atlassian Bamboo Server CVSS 3.1CRITICAL 9.8
  • TI-2022-09599 Origin validation error in Atlassian Bamboo Server CVSS 3.1HIGH 8.8
  • TI-2019-11180 Path traversal in Atlassian Jira Service Desk Server CVSS 3.1HIGH 7.5
See all 12 →

Sources