VulnerabilityModified
CVE-2021-26081
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…
MEDIUM 5.3EPSS 1.18%
Does this matter?
Lower severity and a low EPSS score (1.18%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 1.18% probability · 66th percentile
- CISA KEV
- Not listed
- Affected
- atlassian/data center · atlassian/jira · atlassian/jira data center · atlassian/jira server
- Source
- security@atlassian.com
References
- https://jira.atlassian.com/browse/JRASERVER-72499Patch, Vendor Advisory
- https://jira.atlassian.com/browse/JRASERVER-72499Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.