Dell Inspiron 5485 2-In-1 Firmware vulnerabilities

4 CVEs affecting Dell Inspiron 5485 2-In-1 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2022-34403, published 2023-02-01.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2022-34400, published 2023-02-01. High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS contains a heap buffer overflow vulnerability. A local attacker with admin privileges could potentially exploit this vulnerability to perform an arbitrary write to SMRAM during SMM.
• CVE-2022-34393, published 2023-01-18. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. 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…
• CVE-2022-34460, published 2023-01-18. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Prior Dell BIOS versions contain an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code…
• CVE-2022-34403, published 2023-02-01. High severity, CVSS 8.8. EPSS: 0.2% chance of exploitation in the next 30 days. Dell BIOS contains a Stack based buffer overflow vulnerability. A local authenticated attacker could potentially exploit this vulnerability by using an SMI to send larger than expected input to a…