CVE-2013-1659

VMware vCenter Server 4.0 before Update 4b, 5.0 before Update 2, and 5.1 before 5.1.0b; VMware ESXi 3.5 through 5.1; and VMware ESX 3.5 through 4.1 do not properly implement the Network File Copy (NFC) protocol, which allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption) by modifying the client-server data stream.

Published: 2013-02-22 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-1659 is rated Moderate Risk (57.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.82%). 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-2013-1659

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 0.88% 1.82% +0.94%
2 2025-11-15 1.13% 0.88% -0.25%
3 2025-03-30 — 1.13% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-1659

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.6 2.0 HIGH
AV:N/AC:H/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 4.9 10.0 [email protected]

Weakness enumeration for CVE-2013-1659

Affected software / configurations for CVE-2013-1659

Vendor Product Version Raw CPE
vmware vcenter_server 4.0 cpe:2.3:a:vmware:vcenter_server:4.0:*:*:*:*:*:*:*
vmware vcenter_server 4.0 cpe:2.3:a:vmware:vcenter_server:4.0:update_1:*:*:*:*:*:*
vmware vcenter_server 4.0 cpe:2.3:a:vmware:vcenter_server:4.0:update_2:*:*:*:*:*:*
vmware vcenter_server 4.0 cpe:2.3:a:vmware:vcenter_server:4.0:update_3:*:*:*:*:*:*
vmware vcenter_server 4.0 cpe:2.3:a:vmware:vcenter_server:4.0:update_4:*:*:*:*:*:*
vmware vcenter_server 4.0 cpe:2.3:a:vmware:vcenter_server:4.0:update_4a:*:*:*:*:*:*
vmware vcenter_server_appliance 5.1 cpe:2.3:a:vmware:vcenter_server_appliance:5.1:*:*:*:*:*:*:*
vmware vcenter_server_appliance 5.1.0a cpe:2.3:a:vmware:vcenter_server_appliance:5.1.0a:*:*:*:*:*:*:*
vmware vcenter_server 5.0 cpe:2.3:a:vmware:vcenter_server:5.0:*:*:*:*:*:*:*
vmware vcenter_server 5.0 cpe:2.3:a:vmware:vcenter_server:5.0:update_1:*:*:*:*:*:*
vmware esxi 3.5 cpe:2.3:o:vmware:esxi:3.5:*:*:*:*:*:*:*
vmware esxi 3.5 cpe:2.3:o:vmware:esxi:3.5:1:*:*:*:*:*:*
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:*:*:*:*:*:*:*

References for CVE-2013-1659

cvelogic Threat Intelligence