CVE-2009-5139: Google GIZMO5

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The SIP implementation on the Gizmo5 software phone provides hashed credentials in a response to an invalid authentication challenge, which makes it easier for remote attackers to obtain access via a brute-force attack, related to a "SIP Digest Leak" issue.

Affected products

• Google GIZMO5: affected versions not specified

Published 2020-02-12. Last modified 2026-06-16.