CVE-2021-26081 Information

Description

REST API in Atlassian Jira Server and Jira Data Center before version 8.5.14 from version 8.6.0 before 8.13.6 and from version 8.14.0 before 8.16.1 allows remote attackers to enumerate usernames via a Sensitive Data Exposure vulnerability in the /rest/api/latest/user/avatar/temporary endpoint.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

https://jira.atlassian.com/browse/JRASERVER-72499

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3