{ "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-5953", "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": "A vulnerability exists in System Management Interrupt (SWSMI) handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT (EFI_RUNTIME_SERVICES) pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM (escalating privilege from ring 0 to ring -2)." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "url": "https://www.insyde.com/products", "refsource": "MISC", "name": "https://www.insyde.com/products" }, { "refsource": "MISC", "name": "https://www.insyde.com/security-pledge", "url": "https://www.insyde.com/security-pledge" }, { "refsource": "CONFIRM", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf" }, { "refsource": "CONFIRM", "name": "https://security.netapp.com/advisory/ntap-20220222-0005/", "url": "https://security.netapp.com/advisory/ntap-20220222-0005/" } ] } }