Lenovo Qt b415 Firmware vulnerabilities

9 CVEs affecting Lenovo Qt b415 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2022-40137, published 2023-01-30.

Highest priority

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

CVE-2019-6188, published 2019-11-12. Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days. The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T460p, BIOS versions up to R07ET90W, and T470p, BIOS versions up to R0FET50W, which may allow for unauthorized access.
CVE-2019-6170, published 2019-11-12. Medium severity, CVSS 6.4. EPSS: 0.4% chance of exploitation in the next 30 days. A potential vulnerability in the SMI callback function used in the Legacy USB driver using boot services structure in runtime phase in some Lenovo ThinkPad models may allow arbitrary code execution.
CVE-2019-6172, published 2019-11-12. Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days. A potential vulnerability in the SMI callback function used in Legacy USB driver using passed parameter without sufficient checking in some Lenovo ThinkPad models may allow arbitrary code execution.
CVE-2019-6190, published 2020-02-14. Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days. Lenovo was notified of a potential denial of service vulnerability, affecting various versions of BIOS for Lenovo Desktop, Desktop - All in One, and ThinkStation, that could cause PCRs to be cleared…
CVE-2019-6156, published 2019-04-10. Low severity, CVSS 3.3. EPSS: 0.2% chance of exploitation in the next 30 days. In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. While this provides sufficient protection, an additional layer of protection is provided by SPI Protected Range…
CVE-2022-40137, published 2023-01-30. Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days. A buffer overflow in the WMI SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to execute arbitrary code.
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.