{"api_version":"1","generated_at":"2026-07-23T10:15:54+00:00","cve":"CVE-2007-5633","urls":{"html":"https://cve.report/CVE-2007-5633","api":"https://cve.report/api/cve/CVE-2007-5633.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2007-5633","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2007-5633"},"summary":{"title":"CVE-2007-5633","description":"Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on Microsoft Windows Vista x64, allows local users to read or write arbitrary MSRs, and gain privileges and load unsigned drivers, via the (1) IOCTL_RDMSR 0x9C402438 and (2) IOCTL_WRMSR 0x9C40243C IOCTLs to \\Device\\speedfan, as demonstrated by an IOCTL_WRMSR action on MSR_LSTAR.","state":"PUBLISHED","assigner":"mitre","published_at":"2007-10-23 17:46:00","updated_at":"2026-04-23 00:35:47"},"problem_types":["NVD-CWE-Other","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"7.2","severity":"","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","data":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/37298","name":"https://exchange.xforce.ibmcloud.com/vulnerabilities/37298","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.bugtrack.almico.com/view.php?id=987","name":"http://www.bugtrack.almico.com/view.php?id=987","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit"],"title":"0000987: Speedfan.sys IOCTL Dispatch Handlers privilege escalation - Almico's Bug Tracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/26123","name":"http://www.securityfocus.com/bid/26123","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit"],"title":"SpeedFan Speedfan.sys Local Privilege Escalation Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://osvdb.org/41842","name":"http://osvdb.org/41842","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"-1","archivestatus":"0"},{"url":"http://secunia.com/advisories/27312","name":"http://secunia.com/advisories/27312","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"SpeedFan Speedfan.sys Privilege Escalation and Denial of Service - Advisories - Secunia","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.reversemode.com/index.php?option=com_content&task=view&id=42&Itemid=1","name":"http://www.reversemode.com/index.php?option=com_content&task=view&id=42&Itemid=1","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"401 Unauthorized","mime":"text/xml","httpstatus":"401","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2007-5633","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-5633","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2007","cve_id":"5633","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"almico","cpe5":"speedfan","cpe6":"4.33","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2007","cve_id":"5633","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_vista","cpe6":"*","cpe7":"*","cpe8":"x64","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-07T15:39:13.623Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"speedfan-ioctl-privilege-escalation(37298)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/37298"},{"name":"41842","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"],"url":"http://osvdb.org/41842"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://www.reversemode.com/index.php?option=com_content&task=view&id=42&Itemid=1"},{"name":"26123","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/26123"},{"name":"27312","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"],"url":"http://secunia.com/advisories/27312"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://www.bugtrack.almico.com/view.php?id=987"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2007-10-01T00:00:00.000Z","descriptions":[{"lang":"en","value":"Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on Microsoft Windows Vista x64, allows local users to read or write arbitrary MSRs, and gain privileges and load unsigned drivers, via the (1) IOCTL_RDMSR 0x9C402438 and (2) IOCTL_WRMSR 0x9C40243C IOCTLs to \\Device\\speedfan, as demonstrated by an IOCTL_WRMSR action on MSR_LSTAR."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-07-28T12:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"speedfan-ioctl-privilege-escalation(37298)","tags":["vdb-entry","x_refsource_XF"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/37298"},{"name":"41842","tags":["vdb-entry","x_refsource_OSVDB"],"url":"http://osvdb.org/41842"},{"tags":["x_refsource_MISC"],"url":"http://www.reversemode.com/index.php?option=com_content&task=view&id=42&Itemid=1"},{"name":"26123","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/26123"},{"name":"27312","tags":["third-party-advisory","x_refsource_SECUNIA"],"url":"http://secunia.com/advisories/27312"},{"tags":["x_refsource_CONFIRM"],"url":"http://www.bugtrack.almico.com/view.php?id=987"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2007-5633","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on Microsoft Windows Vista x64, allows local users to read or write arbitrary MSRs, and gain privileges and load unsigned drivers, via the (1) IOCTL_RDMSR 0x9C402438 and (2) IOCTL_WRMSR 0x9C40243C IOCTLs to \\Device\\speedfan, as demonstrated by an IOCTL_WRMSR action on MSR_LSTAR."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"speedfan-ioctl-privilege-escalation(37298)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/37298"},{"name":"41842","refsource":"OSVDB","url":"http://osvdb.org/41842"},{"name":"http://www.reversemode.com/index.php?option=com_content&task=view&id=42&Itemid=1","refsource":"MISC","url":"http://www.reversemode.com/index.php?option=com_content&task=view&id=42&Itemid=1"},{"name":"26123","refsource":"BID","url":"http://www.securityfocus.com/bid/26123"},{"name":"27312","refsource":"SECUNIA","url":"http://secunia.com/advisories/27312"},{"name":"http://www.bugtrack.almico.com/view.php?id=987","refsource":"CONFIRM","url":"http://www.bugtrack.almico.com/view.php?id=987"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2007-5633","datePublished":"2007-10-23T17:00:00.000Z","dateReserved":"2007-10-23T00:00:00.000Z","dateUpdated":"2024-08-07T15:39:13.623Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2007-10-23 17:46:00","lastModifiedDate":"2026-04-23 00:35:47","problem_types":["NVD-CWE-Other","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":3.9,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":true,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*","matchCriteriaId":"1DD1D5ED-FE7C-4ADF-B3AF-1F13E51B4FB5"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:almico:speedfan:4.33:*:*:*:*:*:*:*","matchCriteriaId":"86F1246E-9247-4445-8DA8-09D6F6367B7C"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2007","CveId":"5633","Ordinal":"1","Title":"CVE-2007-5633","CVE":"CVE-2007-5633","Year":"2007"},"notes":[{"CveYear":"2007","CveId":"5633","Ordinal":"1","NoteData":"Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on Microsoft Windows Vista x64, allows local users to read or write arbitrary MSRs, and gain privileges and load unsigned drivers, via the (1) IOCTL_RDMSR 0x9C402438 and (2) IOCTL_WRMSR 0x9C40243C IOCTLs to \\Device\\speedfan, as demonstrated by an IOCTL_WRMSR action on MSR_LSTAR.","Type":"Description","Title":"CVE-2007-5633"},{"CveYear":"2007","CveId":"5633","Ordinal":"2","NoteData":"2007-10-23","Type":"Other","Title":"Published"},{"CveYear":"2007","CveId":"5633","Ordinal":"3","NoteData":"2017-07-28","Type":"Other","Title":"Modified"}]}}}