{"id":"CVE-2021-32537","state":"PUBLISHED","title":"Realtek High definition audio Windows driver crashed","description":"Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.","publishedAt":"2021-07-07T14:12:27.033Z","updatedAt":"2026-10-08T21:13:56.222Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","source":"twcert"},"assigner":"twcert","products":["Realtek HDA driver"],"affected":[{"vendor":"Realtek","product":"HDA driver","versions":[{"version":"8155","status":"affected","lessThanOrEqual":"9150","versionType":"custom"}]}],"references":["https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html","http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:33.225Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/32xxx/CVE-2021-32537.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-32537","state":"PUBLISHED","datePublished":"2021-07-07T14:12:27.033Z","dateUpdated":"2026-10-08T21:13:56.222Z","assignerShortName":"twcert","assignerOrgId":"cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e","dateReserved":"2021-05-10T00:00:00.000Z"},"containers":{"cna":{"title":"Realtek High definition audio Windows driver crashed","descriptions":[{"lang":"en","value":"Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed."}],"affected":[{"vendor":"Realtek","product":"HDA driver","versions":[{"version":"8155","status":"affected","lessThanOrEqual":"9150","versionType":"custom"}]}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html","tags":["x_refsource_MISC"]},{"url":"http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"None","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"twcert","dateUpdated":"2021-07-16T15:20:33.000Z","orgId":"cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e"},"credits":[{"lang":"en","value":"Realtek"}],"datePublic":"2021-06-21T00:00:00.000Z","solutions":[{"lang":"en","value":"Update Realtek HDA driver version to 9152"}],"source":{"advisory":"TVN-202106002","discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"AKA":"TWCERT/CC","ASSIGNER":"cve@cert.org.tw","DATE_PUBLIC":"2021-06-21T07:11:00.000Z","ID":"CVE-2021-32537","STATE":"PUBLIC","TITLE":"Realtek High definition audio Windows driver crashed"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"HDA driver","version":{"version_data":[{"version_affected":"<=","version_name":"8155","version_value":"9150"}]}}]},"vendor_name":"Realtek"}]}},"credit":[{"lang":"eng","value":"Realtek"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"None"}]}]},"references":{"reference_data":[{"name":"https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html","refsource":"MISC","url":"https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html"},{"name":"http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html","refsource":"MISC","url":"http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html"}]},"solution":[{"lang":"en","value":"Update Realtek HDA driver version to 9152"}],"source":{"advisory":"TVN-202106002","discovery":"EXTERNAL"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T23:25:30.330Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-32537","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-08T21:08:46.518194Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-08T21:13:56.222Z"}}]}}}