Dell Inspiron 5409 Firmware vulnerabilities

CVE-2021-36342 [HIGH] CWE-119 CVE-2021-36342: Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

CVE-2021-36343 [HIGH] CWE-119 CVE-2021-36343: Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

CVE-2021-21574 [HIGH] CWE-121 CVE-2021-21574: 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-2021-21573 [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.