Dell Inspiron 7300 2-In-1 Firmware vulnerabilities

CVE-2021-21573 [HIGH] CWE-121 CVE-2021-21573: Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary code and bypass UEFI restrictions.

CVE-2021-21572 [HIGH] CWE-122 CVE-2021-21572: Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary code and bypass UEFI restrictions.

CVE-2021-21571 [MEDIUM] CWE-295 CVE-2021-21571: Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature con 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 and payload tampering.