CVE-2021-43952

Name: CVE-2021-43952
Creator: NVD / NIST
Published: 2022-02-15T01:15:08.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2021-43952 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to restore the default configuration of fields via a Cross-Site Request Forgery (CSRF) vulnerability in the /secure/admin/RestoreDefaults.jspa endpoint. The affected versions are before version 8.21.0.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to restore the default configuration of fields via a Cross-Site Request Forgery (CSRF) vulnerability in the /secure/admin/RestoreDefaults.jspa endpoint. The affected versions are before version 8.21.0.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS Probability

0.41%

32.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Atlassian	Jira Data Center	< 8.13.18
Atlassian	Jira Data Center	>= 8.20.0, < 8.20.6
Atlassian	Jira Server	< 8.13.18
Atlassian	Jira Server	>= 8.20.0, < 8.20.6

References

https://jira.atlassian.com/browse/JRASERVER-73138Issue Tracking, Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-73138Issue Tracking, Vendor Advisory

Timeline

Published: Feb 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43952?

How severe is CVE-2021-43952?

CVE-2021-43952 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43952?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43952?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST