{"id":"CVE-2021-45970","state":"PUBLISHED","title":"An issue was discovered in IdeBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A ","description":"An issue was discovered in IdeBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the status code saved at the CommBuffer+4 location).","publishedAt":"2022-01-05T22:59:10.000Z","updatedAt":"2026-08-11T12:22:25.252Z","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://security.netapp.com/advisory/ntap-20220216-0004/","https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf","https://www.kb.cert.org/vuls/id/796611","https://cert-portal.siemens.com/productcert/html/ssa-306654.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:13.309Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/45xxx/CVE-2021-45970.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-45970","state":"PUBLISHED","datePublished":"2022-01-05T22:59:10.000Z","dateUpdated":"2026-08-11T12:22:25.252Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2022-01-01T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in IdeBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the status code saved at the CommBuffer+4 location)."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.insyde.com/security-pledge","tags":["x_refsource_MISC"]},{"url":"https://security.netapp.com/advisory/ntap-20220216-0004/","tags":["x_refsource_CONFIRM"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2022-02-22T19:06:32.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-45970","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":"An issue was discovered in IdeBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the status code saved at the CommBuffer+4 location)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://www.insyde.com/security-pledge","refsource":"MISC","url":"https://www.insyde.com/security-pledge"},{"name":"https://security.netapp.com/advisory/ntap-20220216-0004/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20220216-0004/"},{"name":"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf","refsource":"CONFIRM","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.insyde.com/security-pledge","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20220216-0004/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://www.kb.cert.org/vuls/id/796611"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T19:12:48.530Z"}},{"affected":[{"vendor":"Siemens","product":"RUGGEDCOM APE1808 - BIOS","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V1.0.202N","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC Field PG M5","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V22.01.10","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC Field PG M6","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V26.01.13","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC127E","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V27.01.09","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC227G","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V28.01.04","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC277G","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V28.01.04","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC277G PRO","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V28.01.04","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC327G","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V28.01.04","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC377G","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V28.01.04","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC427E","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V21.01.17","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC477E","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V21.01.17","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC477E PRO","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V21.01.17","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC627E","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V25.02.12","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC647E","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V25.02.12","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC677E","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V25.02.12","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC847E","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V25.02.12","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC ITP1000","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V23.01.10","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS IPC427E","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V21.01.17","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-306654.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-08-11T12:22:25.252Z"},"x_adpType":"supplier"}]}}}