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CVSS: 6.7EPSS: 0%CPEs: 876EXPL: 0

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI variable. • https://www.dell.com/support/kbdoc/en-us/000212204/dsa-2023-099-dell-client-bios-security-update-for-multiple-improper-input-validation-vulnerabilities • CWE-20: Improper Input Validation •

CVSS: 6.7EPSS: 0%CPEs: 876EXPL: 0

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with administrator privileges may potentially exploit this vulnerability in order to modify a UEFI variable. • https://www.dell.com/support/kbdoc/en-us/000212204/dsa-2023-099-dell-client-bios-security-update-for-multiple-improper-input-validation-vulnerabilities • CWE-20: Improper Input Validation •

CVSS: 4.6EPSS: 0%CPEs: 150EXPL: 0

Dell BIOS contains an Improper Authorization vulnerability. An unauthenticated physical attacker may potentially exploit this vulnerability, leading to denial of service. • https://www.dell.com/support/kbdoc/en-us/000207928/dsa-2023-011-dell-client-platform-security-update-for-a-bios-vulnerability • CWE-285: Improper Authorization •

CVSS: 6.8EPSS: 0%CPEs: 316EXPL: 0

Dell BIOS contains an information exposure vulnerability. An unauthenticated local attacker with physical access to the system and knowledge of the system configuration could potentially exploit this vulnerability to read system information via debug interfaces. • https://www.dell.com/support/kbdoc/en-us/000205719/dsa-2022-325 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-312: Cleartext Storage of Sensitive Information •

CVSS: 7.5EPSS: 0%CPEs: 482EXPL: 0

Dell BIOS contains a Time-of-check Time-of-use vulnerability. A local authenticated malicious user could\u00a0potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI to gain arbitrary code execution on the system. • https://www.dell.com/support/kbdoc/000206038 • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •