VULNERABILITY INTELLIGENCE
CVE-2007-6430
CVSS score4.3 MEDIUM
EPSS probability1.95%
CISA KEVNot currently listed
Published2007-12-20
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:N/A:N
Description
Asterisk Open Source 1.2.x before 1.2.26 and 1.4.x before 1.4.16, and Business Edition B.x.x before B.2.3.6 and C.x.x before C.1.0-beta8, when using database-based registrations ("realtime") and host-based authentication, does not check the IP address when the username is correct and there is no password, which allows remote attackers to bypass authentication using a valid username.
Weakness classification
- CWE-287: Improper Authentication