SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-39121

Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint.

MEDIUM 4.3EPSS 1.14%

Does this matter?

Lower severity and a low EPSS score (1.14%). Track it; it rarely justifies an emergency change on its own.

Description

Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.

CVSS 3.1
4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
1.14% probability · 65th percentile
CISA KEV
Not listed
Affected
atlassian/data center · atlassian/jira · atlassian/jira data center · atlassian/jira server
Source
security@atlassian.com

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