Information disclosure in Jira Software - CVE-2019-8449
Published: September 18, 2019 / Updated: June 17, 2021
Vulnerability identifier: #VU21176
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2019-8449
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Atlassian
Affected software:
Jira Software
Jira Software
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to an information expose in the "/rest/api/latest/groupuserpicker" resource. A remote attacker can enumerate usernames and gain unauthorized access to sensitive information on the system.
How to mitigate CVE-2019-8449
Install updates from vendor's website.