{"cve":"CVE-2007-3443","nvd":{"published":"2007-06-27T00:30:00.000","modified":"2026-06-16T22:42:02.997","status":"Modified","description":"The Research in Motion BlackBerry 7270 before 4.0 SP1 Bundle 108 does not properly manage transaction states, which allows remote attackers to cause a denial of service (temporary device hang) by sending a certain SIP INVITE message, but not providing an ACK when the call is answered.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://osvdb.org/37647","http://secunia.com/advisories/25824","http://www.blackberry.com/btsc/articles/220/KB12705_f.SAL_Public.html","http://www.kb.cert.org/vuls/id/324841","http://www.securityfocus.com/bid/24545"],"products":["research_in_motion_limited:blackberry_7270"],"source":"nvd","synced_at":"2026-10-19T19:46:28.846926071+00:00"},"epss":{"cve":"CVE-2007-3443","score":0.00597,"percentile":0.48541,"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."]}