What is CVE-2021-26081?

CVE-2021-26081 is a medium-severity vulnerability in Atlassian Data_center. CVSS score: 5.3/10. Published 2021-07-20.

How severe is CVE-2021-26081?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Atlassian Data_center

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 vulnerabilit…

EPSS: 0.012 (63.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Atlassian Data_center
Atlassian Jira
Atlassian Jira Data Center — versions unspecified, 8.6.0, 8.14.0
Atlassian Jira_data_center
Atlassian Jira Server — versions unspecified, 8.6.0, 8.14.0
Atlassian Jira_server

References

security@atlassian.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26081?: CVE-2021-26081 is a medium-severity vulnerability in Atlassian Data_center. CVSS score: 5.3/10. Published 2021-07-20.
How severe is CVE-2021-26081?: Medium severity. CVSS v3 base score is 5.3 out of 10.