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CVE-2013-1661

Published: Sep 4, 2013Updated: Apr 29, 2026 Sources: CVE List NVDCWE-20
NVD MITRE
4.3CVSSMEDIUM
EPSS Score
1.1%
Top 38.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

VMware ESXi 4.0 through 5.1, and ESX 4.0 and 4.1, does not properly implement the Network File Copy (NFC) protocol, which allows man-in-the-middle attackers to cause a denial of service (unhandled exception and application crash) by modifying the client-server data stream.

CVSS Vector Breakdown

AV:NAC:MAu:NC:NI:NA:P
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:PAvailability
Partial
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Weaknesses

CWE-20

Affected Products

esxvmware
On-prem
Cloud & SaaS / virtualization
esxivmware
On-premWeb App
Cloud & SaaS / virtualization
n/an/a
vmwarecommercialUSCloud & SaaSaka vmware inc

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
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References

http://www.vmware.com/security/advisories/VMSA-2013-0011.html
vmware.com

Timeline

Published
Sep 4, 2013
Last Updated
Apr 29, 2026

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