CVE-2013-1661

Name: CVE-2013-1661
Creator: NVD / NIST
Published: 2013-09-04T03:24:36.967+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.10%

Last modified Jun 16, 2026

CVE-2013-1661 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.10%

61.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Vmware	Esx	4.0
Vmware	Esx	4.1
Vmware	Esxi	4.0
Vmware	Esxi	4.1
Vmware	Esxi	5.0
Vmware	Esxi	5.1

References

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

Timeline

Published: Sep 4, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-1661?

How severe is CVE-2013-1661?

Severity scoring for CVE-2013-1661 is pending analysis. The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.

How do I fix CVE-2013-1661?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-1661?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST