CVE-2020-4015
The /json/fe/activeUserFinder.do resource in Altassian Fisheye and Crucible before version 4.8.1...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-4015- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-4015- Updated
- 2026-11-02
EUVDEUVD-2020-25280 No score
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.
- Record
EUVD-2020-25280- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p25g-fphh-8cw3 No score
The /json/fe/activeUserFinder.do resource in Altassian Fisheye and Crucible before version 4.8.1...
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.
- Record
GHSA-p25g-fphh-8cw3- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-4015 is a medium vulnerability (CVSS 4.3) in Atlassian Crucible, published June 1, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.96%, the 61st percentile. No source names a fixed version.