What is CVE-2021-43953?

CVE-2021-43953 is a medium-severity vulnerability in Atlassian Data Center, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2022-02-15.

How severe is CVE-2021-43953?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CSRF in Atlassian Data Center

CVE-2021-43953

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.005 (38.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Atlassian Data_center
Atlassian Jira
Atlassian Jira Data Center — versions unspecified, next of 8.14.0
Atlassian Jira Server — versions unspecified, next of 8.14.0

Weakness classification (CWE)

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

References

security@atlassian.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2021-43953?: CVE-2021-43953 is a medium-severity vulnerability in Atlassian Data Center, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2022-02-15.
How severe is CVE-2021-43953?: Medium severity. CVSS v3 base score is 4.3 out of 10.