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Cisco 7940/7960 Voice over IP (VoIP) phones do not...

Moderate severity Unreviewed Published May 1, 2022 to the GitHub Advisory Database • Updated Mar 14, 2026

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

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.

References

Published by the National Vulnerability Database Jul 11, 2005
Published to the GitHub Advisory Database May 1, 2022
Last updated Mar 14, 2026

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(67th percentile)

Weaknesses

Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data. Learn more on MITRE.

CVE ID

CVE-2005-2181

GHSA ID

GHSA-r2g9-49rq-6p4c

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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