CVE-2014-4156
Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability
Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability
- Record
CVE-2014-4156- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-203
- Updated
- 2026-11-02
CVE List No score
Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability
- Record
CVE-2014-4156- Updated
- 2026-11-02
EUVDEUVD-2014-4087 No score
Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability
- Record
EUVD-2014-4087- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4p9j-mpxw-9w9g
Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability
Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability
- Record
GHSA-4p9j-mpxw-9w9g- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-203
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-4156 is a medium vulnerability (CVSS 5.3) in Proxmox Virtual Environment, published January 27, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.20%, the 68th percentile. No source names a fixed version.