Vulnerability in Atlassian Data_center

CVE-2021-39118

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to discover the usernames and full names of users via an enumeration vulnerability in the /rest/api/1.0/render endpoint. The affected versions are before ver…

EPSS: 0.014 (68.5th 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

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-39118?
CVE-2021-39118 is a medium-severity vulnerability in Atlassian Data_center. CVSS score: 5.3/10. Published 2021-09-14.
How severe is CVE-2021-39118?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2021-39118 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.