{"cve":"CVE-2009-4452","nvd":{"published":"2009-12-29T20:41:20.577","modified":"2026-06-16T23:13:41.717","status":"Modified","description":"Kaspersky Anti-Virus 5.0 (5.0.712); Antivirus Personal 5.0.x; Anti-Virus 6.0 (6.0.3.837), 7 (7.0.1.325), 2009 (8.0.0.x), and 2010 (9.0.0.463); and Internet Security 7 (7.0.1.325), 2009 (8.0.0.x), and 2010 (9.0.0.463); use weak permissions (Everyone:Full Control) for the BASES directory, which allows local users to gain SYSTEM privileges by replacing an executable or DLL with a Trojan horse.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://secunia.com/advisories/37398","http://secunia.com/advisories/37730","http://www.exploit-db.com/exploits/10484","http://www.securityfocus.com/archive/1/508508/100/0/threaded","http://www.securitytracker.com/id?1023366"],"products":["kaspersky_lab:kaspersky_anti-virus","kaspersky_lab:kaspersky_anti-virus_2009","kaspersky_lab:kaspersky_anti-virus_2010","kaspersky_lab:kaspersky_anti-virus_personal","kaspersky_lab:kaspersky_internet_security","kaspersky_lab:kaspersky_internet_security_2009","kaspersky_lab:kaspersky_internet_security_2010"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2009-4452","score":0.00821,"percentile":0.57316,"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."]}