{"id":"CVE-2009-2450","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-2450","generatedAt":"2026-10-27T19:39:20.165Z","title":"The OAmon.sys kernel driver 3.1.0.0 and earlier in Tall Emu Online Armor Personal Firewall AV+ before 3.5.0.12, and Personal Firewall 3.5 before 3.5.0.14, allows local users to gain privileges via crafted METHOD_NEITHER IOCTL requests to \\Device\\OAmon…","description":"The OAmon.sys kernel driver 3.1.0.0 and earlier in Tall Emu Online Armor Personal Firewall AV+ before 3.5.0.12, and Personal Firewall 3.5 before 3.5.0.14, allows local users to gain privileges via crafted METHOD_NEITHER IOCTL requests to \\Device\\OAmon containing arbitrary kernel addresses, as demonstrated using the 0x830020C3 IOCTL.","published":"2009-07-13T17:30:00.000Z","lastModified":"2026-06-16T23:09:29.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.2,"severity":"HIGH","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["tallemu/online armor personal firewall av\\+","tallemu/personal firewall"],"epss":{"score":0.00767,"percentile":0.55235,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2009-06-04","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":8875,"kind":"exploit","title":"Online Armor < 3.5.0.12 - 'OAmon.sys' Local Privilege Escalation","url":"https://www.exploit-db.com/exploits/8875","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/local/8875.txt","file":"exploits/windows/local/8875.txt","published":"2009-06-04","added":"2009-06-03","updated":null,"author":"NT Internals","type":"local","platform":"windows","port":null,"verified":true,"codes":["OSVDB-54918","CVE-2009-2450"],"tags":null,"aliases":"2009-OAmon_Exp.zip","applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 0.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://milw0rm.com/sploits/2009-OAmon_Exp.zip","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://www.exploit-db.com/exploits/8875","source":"cve@mitre.org"},{"url":"http://www.ntinternals.org/ntiadv0806/ntiadv0806.html","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/35227","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/50960","source":"cve@mitre.org"},{"url":"http://milw0rm.com/sploits/2009-OAmon_Exp.zip","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.exploit-db.com/exploits/8875","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ntinternals.org/ntiadv0806/ntiadv0806.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/35227","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/50960","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-2450","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."}