Lenovo Thinkpad s5 2nd Gen Firmware vulnerabilities

6 CVEs affecting Lenovo Thinkpad s5 2nd Gen Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-3843, published 2021-11-12.

Highest priority

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-2021-3599, published 2021-11-12. 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 to access flash device in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.
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.
CVE-2021-3843, published 2021-11-12. Medium severity, CVSS 6.7. EPSS: 0.3% chance of exploitation in the next 30 days. A potential vulnerability in the SMI function to access EEPROM in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.
CVE-2021-3786, published 2021-11-12. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. A potential vulnerability in the SMI callback function used in CSME configuration of some Lenovo Notebook and ThinkPad systems could be used to leak out data out of the SMRAM range.
CVE-2021-3718, published 2021-11-12. Medium severity, CVSS 4.6. EPSS: 0.2% chance of exploitation in the next 30 days. A denial of service vulnerability was reported in some ThinkPad models that could cause a system to crash when the Enhanced Biometrics setting is enabled in BIOS.