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TI-2021-16512 Aliases CVE-2021-39123GHSA-5v59-rqmv-2rcp

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

Priority MEDIUM 42Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to impact the application's availability via a Denial of Service (DoS) vulnerability in the /rest/gadget/1.0/createdVsResolved/generate endpoint. The affected versions are before version 8.16.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.016 75th percentileScored 2026-11-07
Fix Fixed Jira Server (Atlassian): 8.16.0Jira Data Center (Atlassian): 8.16.0

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 8.16.08.16.0Patch availableCNA
AtlassianJira Data Centerbefore 8.16.08.16.0Patch availableCNA
  • Jira Server VendorAtlassian Affected before 8.16.0 Fixed in 8.16.0 Patch available CNA
  • Jira Data Center VendorAtlassian Affected before 8.16.0 Fixed in 8.16.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*before 8.16.0VulnerableAtlassian
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*before 8.16.0VulnerableAtlassian
  • cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:* Versions before 8.16.0 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* Versions before 8.16.0 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Jira Server (Atlassian) Fixed in 8.16.0
  • Fix · CNA Jira Data Center (Atlassian) Fixed in 8.16.0

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 8.16.0

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2021-16513 Cross-site request forgery in Atlassian Jira ServerPriority LOW 21

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-39123
  2. 2026-10-03 Alias added: GHSA-5v59-rqmv-2rcp

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-2021-19709 Affected versions of Atlassian Jira Server and Data Center allow remote attackers with… CVSS 3.1HIGH 7.2
See all 37 →

Sources