CVE-2014-4156
CVE-2014-4156 is a medium-severity vulnerability in Proxmox Virtual Environment with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-203
- Affected product: Proxmox Virtual Environment
- Published:
- Last modified:
Description
Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability
Frequently asked questions
- What is CVE-2014-4156?
- Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability
- How severe is CVE-2014-4156?
- CVE-2014-4156 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2014-4156 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-4156?
- CVE-2014-4156 affects Proxmox Virtual Environment. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2014-4156?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2014-4156 published?
- CVE-2014-4156 was published on 2020-01-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:proxmox:virtual_environment:*:*:*:*:*:*:*:*
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