Auth bypass in Atlassian Crucible
CVE-2021-43957
Affected versions of Atlassian Fisheye & Crucible allowed remote attackers to browse local files via an Insecure Direct Object References (IDOR) vulnerability in the WEB-INF directory and bypass the fix for CVE-2020-29446 due to a lack of url decoding. The affected versions are before version 4.8.9.
Vulnerability class: IDOR (Insecure Direct Object Reference)
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: 0.013 (69.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Atlassian Crucible — versions unspecified
- Atlassian Fisheye — versions unspecified
Weakness classification (CWE)
References
- jira.atlassian.com/browse/FE-7388 (Issue Tracking, Vendor Advisory)
- jira.atlassian.com/browse/CRUC-8524 (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-43957?
- CVE-2021-43957 is a high-severity vulnerability in Atlassian Crucible, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2022-03-16.
- How severe is CVE-2021-43957?
- High severity. CVSS v3 base score is 7.5 out of 10.