Lenovo Bios vulnerabilities

CVE-2023-45075 [MEDIUM] CWE-125 CVE-2023-45075: A memory leakage vulnerability was reported in the SWSMI_Shadow DXE driver that may allow a local at A memory leakage vulnerability was reported in the SWSMI_Shadow DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables.

CVE-2019-6171 [MEDIUM] CVE-2019-6171: A vulnerability was reported in various BIOS versions of older ThinkPad systems that could allow a u A vulnerability was reported in various BIOS versions of older ThinkPad systems that could allow a user with administrative privileges or physical access the ability to update the Embedded Controller with unsigned firmware.

CVE-2020-8320 [MEDIUM] CWE-489 CVE-2020-8320: An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege.

CVE-2020-8334 [MEDIUM] CWE-754 CVE-2020-8334: The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A2 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-2020-8336 [MEDIUM] CVE-2020-8336: Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmware in flash.

CVE-2019-6190 [MEDIUM] CWE-665 CVE-2019-6190: Lenovo was notified of a potential denial of service vulnerability, affecting various versions of BI 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 intermittently after resuming from sleep (S3) on systems with Intel TXT enabled.

CVE-2021-3453 [MEDIUM] CWE-693 CVE-2021-3453: Some Lenovo Notebook, ThinkPad, and Lenovo Desktop systems have BIOS modules unprotected by Intel Bo Some Lenovo Notebook, ThinkPad, and Lenovo Desktop systems have BIOS modules unprotected by Intel Boot Guard that could allow an attacker with physical access the ability to write to the SPI flash storage.

CVE-2022-40134 [MEDIUM] CWE-125 CVE-2022-40134: An information leak vulnerability in the SMI Set BIOS Password SMI Handler in some Lenovo models may 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.

CVE-2022-40135 [MEDIUM] CWE-125 CVE-2022-40135: An information leak vulnerability in the Smart USB Protection SMI Handler in some Lenovo models may 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-2022-40136 [MEDIUM] CWE-125 CVE-2022-40136: An information leak vulnerability in SMI Handler used to configure platform settings over WMI in som 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-2019-6156 [LOW] CWE-667 CVE-2019-6156: In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. While this prov 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 Registers (PRx). Lenovo was notified that after resuming from S3 sleep mode in various versions of BIOS for Lenovo systems, the PRx is not set. This does not i

CVE-2020-8352 [LOW] CWE-358 CVE-2020-8352: In some Lenovo Desktop models, the Configuration Change Detection BIOS setting failed to detect SATA In some Lenovo Desktop models, the Configuration Change Detection BIOS setting failed to detect SATA configuration changes.