CVE-2020-4015

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-01 · updated 2026-06-17

Description

The /json/fe/activeUserFinder.do resource in Altassian Fisheye and Crucible before version 4.8.1 allows remote attackers to view user user email addresses via a information disclosure vulnerability.

Affected products

Atlassian Crucible: before 4.8.1 — fixed in 4.8.1
Atlassian Fisheye: before 4.8.1 — fixed in 4.8.1

How to fix

Upgrade to a fixed version: Atlassian Crucible 4.8.1; Atlassian Fisheye 4.8.1. Check the vendor advisory for mitigations.

References

https://jira.atlassian.com/browse/CRUC-8468
https://jira.atlassian.com/browse/FE-7284
https://jira.atlassian.com/browse/CRUC-8468
https://jira.atlassian.com/browse/FE-7284

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