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CVE-2005-2181

7.5 · HIGH

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 s…

Published Jul 11, 2005ciscoCWE-347EPSS 1.19%

Overview

CVE-2005-2181 is a high-severity vulnerability affecting cisco ip_phone_7940_firmware. It was published on July 11, 2005 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from cisco. Update ip_phone_7940_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refmarc.info/?l=bugtraq&m=112067698624686&w=2Refpentest.tele-consulting.com/advisories/05_07_06_voip-phones.txtRefwww.securitytracker.com/alerts/2005/Jul/1014406.htmlRefexchange.xforce.ibmcloud.com/vulnerabilities/21260Refmarc.info/?l=bugtraq&m=112067698624686&w=2Refpentest.tele-consulting.com/advisories/05_07_06_voip-phones.txtRefwww.securitytracker.com/alerts/2005/Jul/1014406.htmlRefexchange.xforce.ibmcloud.com/vulnerabilities/21260

How CyberStrike helps

Frequently asked questions

What is CVE-2005-2181?

CVE-2005-2181 is a high-severity vulnerability affecting cisco ip_phone_7940_firmware. It was published on July 11, 2005 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2005-2181?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2005-2181?

Check the references section for vendor advisories and patches from cisco. Update ip_phone_7940_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2005-2181?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2005-2181 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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