Vulnerability in Atlassian Data Center

CVE-2021-39113

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to continue to view cached content even after losing permissions, via a Broken Access Control vulnerability in the allowlist feature. The affected versions are before version 8.13.9, and from version 8.14.0 before 8.18.0.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.025 (84.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-39113: held from 0.025 to 0.025.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-39113?
CVE-2021-39113 is a high-severity vulnerability in Atlassian Data Center, classified under Insufficient Session Expiration. CVSS score: 7.5/10. Published 2021-08-30.
How severe is CVE-2021-39113?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-39113 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.