CVE-2021-39118 json
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to discover the usernames and full names of users via an…
published 2021-09-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25554
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to discover the usernames and full names of users via an enumeration vulnerability in the /rest/api/1.0/render endpoint. The affected versions are before version 8.19.0.
Patch / fix
- Atlassian Jira Server 8.19.0
- Atlassian Jira Data Center 8.19.0
- atlassian jira_server 8.19.0
- atlassian jira_data_center 8.19.0
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.52% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Atlassian Jira Server
- Atlassian Jira Data Center
- atlassian jira_server
- atlassian jira_data_center
References
-
jira.atlassian.com
/browse/JRASERVER-72736
vendor-advisory
Sources
- CVE List CVE-2021-39118
- NVD CVE-2021-39118
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