CVE-2021-43949
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated...
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects via a Broken Access Control vulnerability in the Custom Fields feature. The affected versions are before version 4.21.0.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects via a Broken Access Control vulnerability in the Custom Fields feature. The affected versions are before version 4.21.0.
- Record
CVE-2021-43949- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects via a Broken Access Control vulnerability in the Custom Fields feature. The affected versions are before version 4.21.0.
- Record
CVE-2021-43949- Updated
- 2026-11-02
EUVDEUVD-2021-30811 No score
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects via a Broken Access Control vulnerability in the Custom Fields feature. The affected versions are before version 4.21.0.
- Record
EUVD-2021-30811- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6v7j-h4h2-4p86 No score
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated...
Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects via a Broken Access Control vulnerability in the Custom Fields feature. The affected versions are before version 4.21.0.
- Record
GHSA-6v7j-h4h2-4p86- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-43949 is a medium vulnerability (CVSS 4.3) in Atlassian Jira Service Management Server, published January 10, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 57th percentile. No source names a fixed version.