{"cve":"CVE-2009-2346","nvd":{"published":"2009-09-08T18:30:00.203","modified":"2026-06-16T23:09:15.493","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://downloads.asterisk.org/pub/security/AST-2009-006.html","http://secunia.com/advisories/36593","http://securitytracker.com/id?1022819","http://www.securityfocus.com/archive/1/506257/100/0/threaded","http://www.securityfocus.com/bid/36275"],"products":["asterisk:appliance_s800i","asterisk:asterisk","asterisk:open_source","asterisk:opensource","sangoma:asterisk"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-2346","score":0.02581,"percentile":0.85223,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}