Lenovo Thinkpad a485 Firmware vulnerabilities

4 CVEs affecting Lenovo Thinkpad a485 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2020-8335, published 2020-09-01.

Highest priority

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

CVE-2020-8334, published 2020-06-09. 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 T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.
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…
CVE-2020-8320, published 2020-06-09. Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days. An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege.