CVE-2006-4194

Name: CVE-2006-4194
Creator: NVD / NIST
Published: 2006-08-17T01:04:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.22%

Last modified Jun 16, 2026

CVE-2006-4194 is a vulnerability of currently unknown severity. Unspecified vulnerability in Cisco PIX 500 Series Security Appliances allows remote attackers to send arbitrary UDP packets to intranet devices via unspecified vectors involving Session Initiation Protocol (SIP) fixup commands, a different issue than CVE-2006-4032. NOTE: the vendor, after working with the researcher, has been unable to reproduce the issue. EPSS estimates a 2.22% chance of exploitation in the next 30 days.

Description

Unspecified vulnerability in Cisco PIX 500 Series Security Appliances allows remote attackers to send arbitrary UDP packets to intranet devices via unspecified vectors involving Session Initiation Protocol (SIP) fixup commands, a different issue than CVE-2006-4032. NOTE: the vendor, after working with the researcher, has been unable to reproduce the issue

Metrics

EPSS Probability

2.22%

80.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Pix Firewall 501	All versions
Cisco	Pix Firewall 506	All versions
Cisco	Pix Firewall 515	All versions
Cisco	Pix Firewall 515e	All versions
Cisco	Pix Firewall 520	All versions
Cisco	Pix Firewall 525	All versions
Cisco	Pix Firewall 535	All versions
Cisco	Pix Firewall Software	6.3

References

Timeline

Published: Aug 17, 2006
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2006-4194?

How severe is CVE-2006-4194?

Severity scoring for CVE-2006-4194 is pending analysis. The EPSS model estimates a 2.22% probability of exploitation in the next 30 days.

How do I fix CVE-2006-4194?

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-2006-4194?

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

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Source: NVD / NIST