How severe is CVE-2021-43952?

CVE-2021-43952 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2021-43952 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43952?

CVE-2021-43952 primarily affects Atlassian Jira Data Center. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-43952?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-43952 published?

CVE-2021-43952 was published on 2022-02-15 and last updated on 2026-06-17.

CVE-2021-43952

CVE-2021-43952 is a medium-severity vulnerability in Atlassian Jira Data Center with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Atlassian Jira Data Center
Published: 2022-02-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-43952?: 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.
How severe is CVE-2021-43952?: CVE-2021-43952 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2021-43952 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43952?: CVE-2021-43952 primarily affects Atlassian Jira Data Center. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-43952?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-43952 published?: CVE-2021-43952 was published on 2022-02-15 and last updated on 2026-06-17.

References

https://jira.atlassian.com/browse/JRASERVER-73138

Affected products (2)

cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*

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