Medium severity · published Oct 21, 2021
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)…
5.3
CVSS
1.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JI
Jira · Atlassian
before 8.5.10 · source: NVD
JD
Jira Data Center · Atlassian
8.6.0 before 8.13.1 · source: NVD
JS
Jira Software Data Center · Atlassian
before 8.5.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-39127
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-39127
Issue Tracking
https://jira.atlassian.com/browse/JRASERVER-72003
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