CVE-2009-2346
The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.1.6; Business Edition B.x.x before B.2.5.10, C.2.x before C.2.4.3, and C.3.x before C.3.1.1; and s800i 1.3.x before 1.3.0.3 allows remote attackers to cause a denial of service (call-number exhaustion) by initiating many IAX2 message exchanges, a related issue to CVE-2008-3263.
Published:Sep 3, 2009
Last Modified:Apr 23, 2026
EPS:Sep 8, 2009
EPSS Score:0.00798
CVSS Score:7.8
Affected Products
Vendor
Product
Action
Vendor
Asterisk
Product
Appliance S800i
Asterisk
Appliance S800i
Vendor
Asterisk
Product
Asterisk
Asterisk
Asterisk
Vendor
Asterisk
Product
Open Source
Asterisk
Open Source
Vendor
Asterisk
Product
Opensource
Asterisk
Opensource
Vendor
Sangoma
Product
Asterisk
Sangoma
Asterisk
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
