VULNERABILITY INTELLIGENCE
CVE-2008-5558
CVSS score4.3 MEDIUM
EPSS probability1.96%
CISA KEVNot currently listed
Published2008-12-17
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:P
Description
Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.
Weakness classification
- CWE-287: Improper Authentication