Improper input validation in Cisco Voip Phone Cp-7940

CVE-2007-4459

Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0), allows remote attackers to cause a denial of service (device reboot) via (1) a certain sequence of 10 invalid SIP INVITE and OPTIONS messages; or (2) a certain invalid SIP INVITE message that contains a remote tag, followed by a certain set of two related SIP OPTIONS messages.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.140 (96.2th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2007-4459?
CVE-2007-4459 is a vulnerability in Cisco Voip Phone Cp-7940, classified under Improper Input Validation. Published 2007-08-21.
Is CVE-2007-4459 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.