CVE-2007-4291

Name: CVE-2007-4291
Creator: NVD / NIST
Published: 2007-08-09T21:17:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.16%

Last modified Jun 16, 2026

CVE-2007-4291 is a vulnerability of currently unknown severity. Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.. EPSS estimates a 3.16% chance of exploitation in the next 30 days.

Description

Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.

Metrics

EPSS Probability

3.16%

86.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Ios	12.0
Cisco	Ios	12.1
Cisco	Ios	12.2
Cisco	Ios	12.3
Cisco	Ios	12.4

References

Timeline

Published: Aug 9, 2007
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2007-4291?

How severe is CVE-2007-4291?

Severity scoring for CVE-2007-4291 is pending analysis. The EPSS model estimates a 3.16% probability of exploitation in the next 30 days.

How do I fix CVE-2007-4291?

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-2007-4291?

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

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Source: NVD / NIST