{"id":"CVE-2009-4452","aliases":["EUVD-2009-4419","GHSA-h766-w7jj-3628"],"status":"published","title":"Kaspersky Anti-Virus 5.0 (5.0.712); Antivirus Personal 5.0.x; Anti-Virus 6.0 (6.0.3.837), 7 (7.0...","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.","severity":{"version":"2.0","score":6.8,"vector":"AV:L/AC:L/Au:S/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00821,"percentile":0.57549,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-264"],"published":"2009-12-29T20:15:00Z","modified":"2026-06-16T23:13:41Z","exploits":[{"source":"exploitdb","id":"EDB-10484","title":"Kaspersky Lab (Multiple Products) - Local Privilege Escalation","type":"local","platform":"windows","date":"2009-12-16","verified":true,"url":"https://www.exploit-db.com/exploits/10484"}],"products":[{"vendor":"kaspersky_lab","product":"kaspersky_anti-virus"},{"vendor":"kaspersky_lab","product":"kaspersky_anti-virus_2009"},{"vendor":"kaspersky_lab","product":"kaspersky_anti-virus_2010"},{"vendor":"kaspersky_lab","product":"kaspersky_anti-virus_personal"},{"vendor":"kaspersky_lab","product":"kaspersky_internet_security"},{"vendor":"kaspersky_lab","product":"kaspersky_internet_security_2009"},{"vendor":"kaspersky_lab","product":"kaspersky_internet_security_2010"}],"references":[{"url":"http://www.vupen.com/english/advisories/2009/3573","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1023366","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://secunia.com/advisories/37730","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/archive/1/508508/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.exploit-db.com/exploits/10484","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit"]},{"url":"http://secunia.com/advisories/37398","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1023367","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4452"},{"url":"https://github.com/advisories/GHSA-h766-w7jj-3628"}],"sources":{"cve":[{"id":"CVE-2009-4452","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.","status":"published","published":"2009-12-29T20:15:00Z","modified":"2024-08-07T07:01:20.35Z","updated_at":"2026-11-02T14:33:24.451733Z"}],"euvd":[{"id":"EUVD-2009-4419","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.","status":"published","published":"2009-12-29T20:15:00Z","modified":"2024-08-07T07:01:20Z","updated_at":"2026-11-03T01:39:10.134983Z"}],"ghsa":[{"id":"GHSA-h766-w7jj-3628","title":"Kaspersky Anti-Virus 5.0 (5.0.712); Antivirus Personal 5.0.x; Anti-Virus 6.0 (6.0.3.837), 7 (7.0...","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.","status":"published","published":"2022-05-02T03:54:51Z","modified":"2023-01-31T05:09:08Z","updated_at":"2026-11-02T14:49:29.477947Z"}],"nvd":[{"id":"CVE-2009-4452","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.","status":"published","published":"2009-12-29T20:41:20.577Z","modified":"2026-06-16T23:13:41.717Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:L/AC:L/Au:S/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:38.33745Z"}]}}