Auth bypass in Atlassian Data Center
CVE-2020-36289
Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the QueryComponentRendererValue!Default.jspa endpoint. The affected versions are before version 8.5.13, from version 8.6.0 before 8.13.5, and from version 8.14.0 before 8.15.1.
Vulnerability class: Broken Access Control
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.992 (99.9th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.992 · newest: 0.992 · change: 0.000
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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jira.atlassian.com/browse/JRASERVER-71559 (Permissions Required, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-36289?
- CVE-2020-36289 is a medium-severity vulnerability in Atlassian Data Center, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2021-05-12.
- How severe is CVE-2020-36289?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-36289 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.