Lenovo Thinkcentre m70a Gen 2 Firmware vulnerabilities

4 CVEs affecting Lenovo Thinkcentre m70a Gen 2 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2022-40136, published 2023-01-30.

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

• CVE-2021-3519, published 2021-11-12. Medium severity, CVSS 6.8. EPSS: 0.2% chance of exploitation in the next 30 days. A vulnerability was reported in some Lenovo Desktop models that could allow unauthorized access to the boot menu, when the "BIOS Password At Boot Device List" BIOS setting is Yes.
• CVE-2022-40136, published 2023-01-30. Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days. An information leak vulnerability in SMI Handler used to configure platform settings over WMI in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory.
• CVE-2022-40135, published 2023-01-30. Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days. An information leak vulnerability in the Smart USB Protection SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory.
• CVE-2022-40134, published 2023-01-30. Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days. An information leak vulnerability in the SMI Set BIOS Password SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory.