CVE-2021-26081

EUVD-2021-12902
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA-ADPADP
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 58%
Affected Products (NVD)
VendorProductVersion
atlassiandata_center
𝑥
< 8.5.14
atlassianjira
𝑥
< 8.5.14
atlassianjira_data_center
8.6.0 ≤
𝑥
< 8.13.6
atlassianjira_data_center
8.14.0 ≤
𝑥
< 8.16.1
atlassianjira_server
8.6.0 ≤
𝑥
< 8.13.6
atlassianjira_server
8.14.0 ≤
𝑥
< 8.16.1
𝑥
= Vulnerable software versions
References
https://jira.atlassian.com/browse/JRASERVER-72499
https://jira.atlassian.com/browse/JRASERVER-72499