CVE-2005-2181

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-07-11 · updated 2026-06-16
Weakness: CWE-347

Description

Cisco 7940/7960 Voice over IP (VoIP) phones do not properly check the Call-ID, branch, and tag values in a NOTIFY message to verify a subscription, which allows remote attackers to spoof messages such as the "Messages waiting" message.

Affected products

Cisco Ip Phone 7940 Firmware: all versions
Cisco Ip Phone 7960 Firmware: all versions

References

http://marc.info/?l=bugtraq&m=112067698624686&w=2
http://pentest.tele-consulting.com/advisories/05_07_06_voip-phones.txt
http://www.securitytracker.com/alerts/2005/Jul/1014406.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/21260
http://marc.info/?l=bugtraq&m=112067698624686&w=2
http://pentest.tele-consulting.com/advisories/05_07_06_voip-phones.txt
http://www.securitytracker.com/alerts/2005/Jul/1014406.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/21260

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