{"cve":"CVE-2009-3477","nvd":{"published":"2009-09-29T23:30:00.297","modified":"2026-06-16T23:11:40.963","status":"Modified","description":"The Blackberry Browser in RIM BlackBerry Device Software 4.5.0 before 4.5.0.173, 4.6.0 before 4.6.0.303, 4.6.1 before 4.6.1.309, 4.7.0 before 4.7.0.179, and 4.7.1 before 4.7.1.57 does not properly handle \"hidden\" characters including a '\\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows remote man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-310"],"references":["http://secunia.com/advisories/36875","http://www.blackberry.com/btsc/viewContent.do?externalId=KB19552","http://www.securityfocus.com/bid/36528","http://www.securitytracker.com/id?1022951","https://exchange.xforce.ibmcloud.com/vulnerabilities/53490"],"products":["rim:blackberry_device_software"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-3477","score":0.00624,"percentile":0.49949,"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."]}