CVE-2021-43953 json
Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to toggle the Thread Contention and CPU m…
published 2022-02-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30815
- cvss
- 4.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to toggle the Thread Contention and CPU monitoring settings via a Cross-Site Request Forgery (CSRF) vulnerability in the /secure/admin/ViewInstrumentation.jspa endpoint. The affected versions are before version 8.13.16, and from version 8.14.0 before 8.20.5.
Patch / fix
- Atlassian Jira Server 8.13.16, 8.20.5
- Atlassian Jira Data Center 8.13.16, 8.20.5
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Affected products
- Atlassian Jira Server
- Atlassian Jira Data Center
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
jira.atlassian.com
/browse/JRASERVER-73170
issue-tracking, vendor-advisory
Sources
- CVE List CVE-2021-43953
- NVD CVE-2021-43953
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.