CVE-2014-1207

VMware ESXi 4.0 through 5.1 and ESX 4.0 and 4.1 allow remote attackers to cause a denial of service (NULL pointer dereference) by intercepting and modifying Network File Copy (NFC) traffic.

Published: 2014-01-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-1207 is rated Moderate Risk (48.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.76%). Core evidence: EPSS rose +1.41% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-1207

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.34% 2.76% +1.41%
2 2025-12-07 2.96% 1.34% -1.61%
3 2025-06-15 2.96%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-1207

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2014-1207

NVD evaluator notes for CVE-2014-1207

Comment: Per: http://cwe.mitre.org/data/definitions/476.html "CWE-476: NULL Pointer Dereference"

Affected software / configurations for CVE-2014-1207

Vendor Product Version Raw CPE
vmware esxi 4.0 cpe:2.3:o:vmware:esxi:4.0:*:*:*:*:*:*:*
vmware esxi 4.0 cpe:2.3:o:vmware:esxi:4.0:1:*:*:*:*:*:*
vmware esxi 4.0 cpe:2.3:o:vmware:esxi:4.0:2:*:*:*:*:*:*
vmware esxi 4.0 cpe:2.3:o:vmware:esxi:4.0:3:*:*:*:*:*:*
vmware esxi 4.0 cpe:2.3:o:vmware:esxi:4.0:4:*:*:*:*:*:*
vmware esxi 4.1 cpe:2.3:o:vmware:esxi:4.1:*:*:*:*:*:*:*
vmware esxi 4.1 cpe:2.3:o:vmware:esxi:4.1:1:*:*:*:*:*:*
vmware esxi 4.1 cpe:2.3:o:vmware:esxi:4.1:2:*:*:*:*:*:*
vmware esxi 5.0 cpe:2.3:o:vmware:esxi:5.0:*:*:*:*:*:*:*
vmware esxi 5.0 cpe:2.3:o:vmware:esxi:5.0:1:*:*:*:*:*:*
vmware esxi 5.0 cpe:2.3:o:vmware:esxi:5.0:2:*:*:*:*:*:*
vmware esxi 5.1 cpe:2.3:o:vmware:esxi:5.1:*:*:*:*:*:*:*
vmware esx 4.0 cpe:2.3:o:vmware:esx:4.0:*:*:*:*:*:*:*
vmware esx 4.1 cpe:2.3:o:vmware:esx:4.1:*:*:*:*:*:*:*

References for CVE-2014-1207

cvelogic Threat Intelligence