CVE-2021-41311 json
Affected versions of Atlassian Jira Server and Data Center allow attackers with access to an administrator account that has had its access…
published 2021-12-08 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28340
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
Affected versions of Atlassian Jira Server and Data Center allow attackers with access to an administrator account that has had its access revoked to modify projects' Users & Roles settings, via a Broken Authentication vulnerability in the /plugins/servlet/project-config/PROJECT/roles endpoint. The affected versions are before version 8.19.1.
Patch / fix
- Atlassian Jira Server 8.19.1
- Atlassian Jira Data Center 8.19.1
- atlassian jira_server 8.19.1
- atlassian jira_data_center 8.19.1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- Atlassian Jira Server
- Atlassian Jira Data Center
- atlassian jira_server
- atlassian jira_data_center
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
jira.atlassian.com
/browse/JRASERVER-72802
vendor-advisory
Sources
- CVE List CVE-2021-41311
- NVD CVE-2021-41311
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