VulnerabilityModified

CVE-2021-39127

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to the query component JQL endpoint via a Broken Access Control vulnerability (BAC) vulnerability.

MEDIUM 5.3EPSS 1.31%

Does this matter?

Lower severity and a low EPSS score (1.31%). Track it; it rarely justifies an emergency change on its own.

Description

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to the query component JQL endpoint via a Broken Access Control vulnerability (BAC) vulnerability. The affected versions are before version 8.5.10, and from version 8.6.0 before 8.13.1.

CVSS 3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS: 1.31% probability · 69th percentile
CISA KEV: Not listed
Affected: atlassian/jira · atlassian/jira data center · atlassian/jira server · atlassian/jira software data center
Source: security@atlassian.com

References

https://jira.atlassian.com/browse/JRASERVER-72003Issue Tracking, Patch, Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-72003Issue Tracking, Patch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.