Home/CVE/Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to toggle the Thread C
CVE

CVE-2021-43953

Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to toggle the Thread C

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.

MEDIUM · CVSS 4.3 EPSS 0.00321
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-352Cross-Site Request Forgery (CSRF)
▤

Affected Products & Versions

4
atlassian data center< 8.13.16
atlassian data center>= 8.14.0 and < 8.20.5
atlassian jira< 8.13.16
atlassian jira>= 8.14.0 and < 8.20.5
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · security@atlassian.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Feb 2022 · 03:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jira.atlassian.com/browse/JRASERVER-73170Issue TrackingVendor Advisory
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