Information disclosure in Atlassian Jira Service Management Server
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view object import configuration details via an Information Disclosure vulnerability in the Create Object type mapping feature. The affected versions are before version 4.21.0.
Why it matters now
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Atlassian | Jira Service Management Server | before 4.21.0 | 4.21.0 | Patch available | CNA |
| Atlassian | Jira Service Management Data Center | before 4.21.0 | 4.21.0 | Patch available | CNA |
Remediation
- Fix · CNA Jira Service Management Server (Atlassian) Fixed in 4.21.0
- Fix · CNA Jira Service Management Data Center (Atlassian) Fixed in 4.21.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Atlassian Jira Service Management Data Center, Jira Service Management Server 4.21.0
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2021-19711 Information disclosure in Atlassian Jira Service Management ServerPriority LOW 22
Timeline
- 2026-10-02 Threatist record created from CVE-2021-43951
- 2026-10-03 Alias added: GHSA-h599-8w7q-3j7j
References
More Atlassian Jira Service Management vulnerabilities
- 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-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-2019-10436 initDocumentParser in xml/XMLSchedulingDataProcessor.java in Terracotta Quartz Scheduler… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-43951 · CVE Program
- CVE-2021-43951 · NVD
- FIRST EPSS
- GHSA-h599-8w7q-3j7j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences