{"cve":"CVE-2012-2947","nvd":{"published":"2012-06-02T15:55:00.983","modified":"2026-06-16T23:42:24.470","status":"Modified","description":"chan_iax2.c in the IAX2 channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1, when a certain mohinterpret setting is enabled, allows remote attackers to cause a denial of service (daemon crash) by placing a call on hold.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-284"],"references":["http://archives.neohapsis.com/archives/bugtraq/2012-05/0144.html","http://downloads.asterisk.org/pub/security/AST-2012-007.html","http://secunia.com/advisories/49303","http://www.debian.org/security/2012/dsa-2493","http://www.securitytracker.com/id?1027102"],"products":["debian:debian_linux","digium:asterisk","digium:certified_asterisk"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2012-2947","score":0.02307,"percentile":0.83356,"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."]}