CVE-2021-43953: atlassian data_center Cross-Site Request Forgery
Vulnerability summary
CVE-2021-43953 is a medium (CVSS 4.3) Cross-Site Request Forgery vulnerability in atlassian data_center. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 41.1% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 15-02-2022PublishedVulnerability first disclosed.
- 08-10-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.48% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian4 products
- data_center< 8.13.16 | ≥ 8.14.0, < 8.20.5
- jira< 8.13.16 | ≥ 8.14.0, < 8.20.5
- jira_data_center≥ unspecified, < 8.13.16 | ≥ next of 8.14.0, < unspecified | ≥ unspecified, < 8.20.5
- jira_server≥ unspecified, < 8.13.16 | ≥ next of 8.14.0, < unspecified | ≥ unspecified, < 8.20.5
1 vendor · 4 products