What is CVE-2020-29446?

CVE-2020-29446 is a medium-severity vulnerability in Atlassian Crucible, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2021-01-18.

How severe is CVE-2020-29446?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Atlassian Crucible

CVE-2020-29446

Affected versions of Atlassian Fisheye & Crucible allow remote attackers to browse local files via an Insecure Direct Object References (IDOR) vulnerability in the WEB-INF directory. The affected versions are before version 4.8.5.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2021-01-18 · last modified 2026-06-17.

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: 0.012 (66.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Atlassian Crucible — versions unspecified
Atlassian Fisheye — versions unspecified

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

jira.atlassian.com/browse/CRUC-8496 (Issue Tracking, Vendor Advisory)
jira.atlassian.com/browse/FE-7326 (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2020-29446?: CVE-2020-29446 is a medium-severity vulnerability in Atlassian Crucible, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2021-01-18.
How severe is CVE-2020-29446?: Medium severity. CVSS v3 base score is 5.3 out of 10.