CVE-2021-3843

published 2021-11-12

CVE-2021-3843: 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…

Priority P4 30 medium 6.7 CVSS 3.1

AV L AC L PR H UI N S U C H I H A H

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.

Affected

33 ranges · showing 25

Vendor	Product	Version range	Fixed in
lenovo	thinkpad_11e_3rd_gen_firmware	<= 1.22	—
lenovo	thinkpad_11e_3rd_gen_firmware	<= 1.29	—
lenovo	thinkpad_11e_4th_gen_celeron_firmware	<= 1.27	—
lenovo	thinkpad_11e_4th_gen_i3_firmware	<= 1.22	—
lenovo	thinkpad_11e_4th_gen_i5_firmware	<= 1.22	—
lenovo	thinkpad_11e_4th_gen_i7_firmware	<= 1.22	—
lenovo	thinkpad_11e_5th_gen_firmware	<= 1.13	—
lenovo	thinkpad_11e_yoga_gen_6_firmware	<= 1.12	—
lenovo	thinkpad_13_gen_2_firmware	<= 1.29	—
lenovo	thinkpad_bios	—	—
lenovo	thinkpad_l13_firmware	<= 1.31	—
lenovo	thinkpad_l13_gen_2_firmware	<= 1.11	—
lenovo	thinkpad_l13_gen_2_firmware	<= 1.08	—
lenovo	thinkpad_l13_yoga_firmware	<= 1.31	—
lenovo	thinkpad_l13_yoga_gen_2_firmware	<= 1.11	—
lenovo	thinkpad_l13_yoga_gen_2_firmware	<= 1.08	—
lenovo	thinkpad_l14_firmware	< 1.20.1.17	1.20.1.17
lenovo	thinkpad_l14_gen_1_firmware	< 1.15	1.15
lenovo	thinkpad_l15_firmware	< 1.20.1.17	1.20.1.17
lenovo	thinkpad_l15_gen_1_firmware	< 1.15	1.15
lenovo	thinkpad_l380_firmware	<= 1.26	—
lenovo	thinkpad_l380_yoga_firmware	<= 1.26	—
lenovo	thinkpad_l390_firmware	<= 1.35	—
lenovo	thinkpad_l390_yoga_firmware	<= 1.35	—
lenovo	thinkpad_s2_gen_6_firmware	<= 2021-09-30	—

CVSS provenance

nvd v3.1 6.7 MEDIUM CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.2 HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C

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CWE-20