CVSS 3.1
4.6 mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NCVE-2021-3453
Medium (4.6) in lenovo. EPSS 0.2% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)
- CWE
- CWE-693
- Published
- Modified
- Record from
- the NVD, synced
Affected
- lenovo:730s-13iml_firmware
- lenovo:ideacentre_aio_5-24imb05_firmware
- lenovo:ideacentre_aio_5-74imb05_firmware
- lenovo:ideapad_1-11igl05_firmware
- lenovo:ideapad_1-14igl05_firmware
- lenovo:ideapad_s940-14iil_firmware
- lenovo:ideapad_s940-14iwl_firmware
- lenovo:ideapad_slim_1-11ast-05_firmware
- lenovo:ideapad_slim_1-14ast-05_firmware
- lenovo:thinkpad_helix_firmware
- lenovo:thinkpad_t550_firmware
- lenovo:thinkpad_w550s_firmware
- lenovo:thinkpad_x1_carbon_3rd_gen_firmware
- lenovo:thinkpad_x250_firmware
- lenovo:thinkpad_yoga_15_firmware
- lenovo:v130-15igm_firmware
- lenovo:v330-15ikb_firmware
- lenovo:v330-15isk_firmware
- lenovo:yoga_s730-13iml_firmware
- lenovo:yoga_s940-14iil_firmware
- lenovo:yoga_s940-14iwl_firmware