Lenovo Thinkpad x1 Carbon (20bx) Firmware vulnerabilities

2 CVEs affecting Lenovo Thinkpad x1 Carbon (20bx) Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2020-8335, published 2020-09-01.

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

• CVE-2020-8323, published 2020-06-09. Medium severity, CVSS 6.7. EPSS: 0.3% chance of exploitation in the next 30 days. A potential vulnerability in the SMI callback function used in the Legacy SD driver in some Lenovo ThinkPad, ThinkStation, and Lenovo Notebook models may allow arbitrary code execution.
• CVE-2020-8335, published 2020-09-01. Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days. The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS…