How severe is CVE-2021-41308?

CVE-2021-41308 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-41308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41308?

CVE-2021-41308 primarily affects Atlassian Jira. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-41308?

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

When was CVE-2021-41308 published?

CVE-2021-41308 was published on 2021-10-26 and last updated on 2026-06-17.

CVE-2021-41308

CVE-2021-41308 is a medium-severity vulnerability in Atlassian Jira with a CVSS 3.x base score of 6.5. 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-285.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Atlassian Jira
Published: 2021-10-26
Last modified: 2026-06-17

Description

Affected versions of Atlassian Jira Server and Data Center allow authenticated yet non-administrator remote attackers to edit the File Replication settings via a Broken Access Control vulnerability in the `ReplicationSettings!default.jspa` endpoint. The affected versions are before version 8.6.0, from version 8.7.0 before 8.13.12, and from version 8.14.0 before 8.20.1.

Frequently asked questions

What is CVE-2021-41308?: Affected versions of Atlassian Jira Server and Data Center allow authenticated yet non-administrator remote attackers to edit the File Replication settings via a Broken Access Control vulnerability in the `ReplicationSettings!default.jspa` endpoint. The affected versions are before version 8.6.0, from version 8.7.0 before 8.13.12, and from version 8.14.0 before 8.20.1.
How severe is CVE-2021-41308?: CVE-2021-41308 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-41308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41308?: CVE-2021-41308 primarily affects Atlassian Jira. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-41308?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-41308 published?: CVE-2021-41308 was published on 2021-10-26 and last updated on 2026-06-17.

References

https://jira.atlassian.com/browse/JRASERVER-72940

Affected products (4)

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

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