CVE-2021-26081

Severity

53%

Complexity

39%

Confidentiality

23%

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 3.1 Base Score 5.3. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N).

Overview

First reported 3 years ago

2021-07-20 04:15:00

Last updated 3 years ago

2021-07-28 19:14:00

Affected Software

Atlassian JIRA

References

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

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

Patch, Vendor Advisory

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