Auth bypass in Atlassian Crucible
CVE-2020-4026
The CustomAppsRestResource list resource in Atlassian Navigator Links before version 3.3.23, from version 4.0.0 before version 4.3.7, from version 5.0.0 before 5.0.1, and from version 5.1.0 before 5.1.1 allows remote attackers to enumerate all linked applications, including those that are restricted or otherwise hidden, through an incorrect authorization check.
Vulnerability class: Broken Access Control
EPSS: 0.007 (51.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Atlassian Crucible — versions unspecified
- Atlassian Fisheye — versions unspecified
- Atlassian Navigator Links — versions unspecified, 4.0.0, 5.0.0
- Atlassian Navigator_links
Weakness classification (CWE)
References
- security@atlassian.com (x_refsource_MISC, Vendor Advisory)
- security@atlassian.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-4026?
- CVE-2020-4026 is a medium-severity vulnerability in Atlassian Crucible, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2020-06-03.
- How severe is CVE-2020-4026?
- Medium severity. CVSS v3 base score is 4.3 out of 10.