{"id":"CVE-2007-4521","url":"https://www.cyber-defence.io/tools/cve/CVE-2007-4521","generatedAt":"2026-10-27T19:36:52.740Z","title":"Asterisk Open Source 1.4.5 through 1.4.11, when configured to use an IMAP voicemail storage backend, allows remote attackers to cause a denial of service via an e-mail with an \"invalid/corrupted\" MIME body, which triggers a crash when the recipient…","description":"Asterisk Open Source 1.4.5 through 1.4.11, when configured to use an IMAP voicemail storage backend, allows remote attackers to cause a denial of service via an e-mail with an \"invalid/corrupted\" MIME body, which triggers a crash when the recipient listens to voicemail.","published":"2007-08-28T01:17:00.000Z","lastModified":"2026-06-16T22:44:15.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["asterisk/asterisk"],"epss":{"score":0.02998,"percentile":0.87261,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (3.00%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://downloads.digium.com/pub/asa/AST-2007-021.html","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/26601","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/26602","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://securityreason.com/securityalert/3065","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/477729/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/25438","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id?1018606","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2007/2978","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/36261","source":"cve@mitre.org"},{"url":"http://downloads.digium.com/pub/asa/AST-2007-021.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/26601","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/26602","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securityreason.com/securityalert/3065","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/477729/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/25438","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1018606","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2007/2978","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/36261","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2007-4521","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}