{"id":"CVE-2021-33834","state":"PUBLISHED","title":"An issue was discovered in iscflashx64.sys 3.9.3.0 in Insyde H2OFFT 6.20.00. When handling IOCTL 0x22229a, the input used to allocate a buffer and copy memory is mishandled. This c","description":"An issue was discovered in iscflashx64.sys 3.9.3.0 in Insyde H2OFFT 6.20.00. When handling IOCTL 0x22229a, the input used to allocate a buffer and copy memory is mishandled. This could cause memory corruption or a system crash.","publishedAt":"2023-09-08T00:00:00.000Z","updatedAt":"2024-09-26T18:43:44.319Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.insyde.com/security-pledge","https://www.insyde.com/security-pledge/SA-2021004"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:36.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/33xxx/CVE-2021-33834.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-33834","state":"PUBLISHED","datePublished":"2023-09-08T00:00:00.000Z","dateUpdated":"2024-09-26T18:43:44.319Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2021-06-03T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in iscflashx64.sys 3.9.3.0 in Insyde H2OFFT 6.20.00. When handling IOCTL 0x22229a, the input used to allocate a buffer and copy memory is mishandled. This could cause memory corruption or a system crash."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.insyde.com/security-pledge"},{"url":"https://www.insyde.com/security-pledge/SA-2021004"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2023-09-08T01:55:56.453Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.insyde.com/security-pledge","tags":["x_transferred"]},{"url":"https://www.insyde.com/security-pledge/SA-2021004","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T23:58:23.182Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-26T18:43:33.140037Z","id":"CVE-2021-33834","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-26T18:43:44.319Z"}}]}}}