CVE-2021-21571

Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated attacker may exploit this vulnerability using a person-in-the-middle attack which may lead to a denial of service an...

CVE-2021-21571

CVE-2021-21571 concerns the Dell BIOSConnect/HTTPS Boot stack in Dell UEFI BIOS. The vulnerability is due to improper certificate validation in the BIOSConnect HTTPS path, enabling a MITM attacker to remotely deliver content and potentially cause denial of service and payload tampering. Affected ...

CVE-2021-21571: Improper Certificate Validation

Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated attacker may exploit this vulnerability using a person-in-the-middle attack which may lead to a denial of service an...

CVE-2021-21571

Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated attacker may exploit this vulnerability using a person-in-the-middle attack which may lead to a denial of service an...