Vulnerability Monitor

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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 execute arbitrary code.

Published

2021-11-12T22:15:08.580

Last Modified

2024-11-21T06:22:37.037

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.7 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System lenovo thinkpad_11e_3rd_gen_firmware ≤ 1.22 Yes
Hardware lenovo thinkpad_11e_3rd_gen - No
Operating System lenovo thinkpad_11e_3rd_gen_firmware ≤ 1.29 Yes
Hardware lenovo thinkpad_11e_3rd_gen - No
Operating System lenovo thinkpad_11e_4th_gen_i3_firmware ≤ 1.22 Yes
Hardware lenovo thinkpad_11e_4th_gen_i3 - No
Operating System lenovo thinkpad_11e_4th_gen_i7_firmware ≤ 1.22 Yes
Hardware lenovo thinkpad_11e_4th_gen_i7 - No
Operating System lenovo thinkpad_11e_4th_gen_i5_firmware ≤ 1.22 Yes
Hardware lenovo thinkpad_11e_4th_gen_i5 - No
Operating System lenovo thinkpad_11e_4th_gen_celeron_firmware ≤ 1.27 Yes
Hardware lenovo thinkpad_11e_4th_gen_celeron - No
Operating System lenovo thinkpad_11e_yoga_gen_6_firmware ≤ 1.12 Yes
Hardware lenovo thinkpad_11e_yoga_gen_6 - No
Operating System lenovo thinkpad_13_gen_2_firmware ≤ 1.29 Yes
Hardware lenovo thinkpad_13_gen_2 - No
Operating System lenovo thinkpad_l13_firmware ≤ 1.31 Yes
Hardware lenovo thinkpad_l13 - No
Operating System lenovo thinkpad_l13_gen_2_firmware ≤ 1.11 Yes
Hardware lenovo thinkpad_l13_gen_2 - No
Operating System lenovo thinkpad_l13_gen_2_firmware ≤ 1.08 Yes
Hardware lenovo thinkpad_l13_gen_2 - No
Operating System lenovo thinkpad_l13_yoga_firmware ≤ 1.31 Yes
Hardware lenovo thinkpad_l13_yoga - No
Operating System lenovo thinkpad_l13_yoga_gen_2_firmware ≤ 1.11 Yes
Hardware lenovo thinkpad_l13_yoga_gen_2 - No
Operating System lenovo thinkpad_l13_yoga_gen_2_firmware ≤ 1.08 Yes
Hardware lenovo thinkpad_l13_yoga_gen_2 - No
Operating System lenovo thinkpad_l14_gen_1_firmware < 1.15 Yes
Hardware lenovo thinkpad_l14_gen_1 - No
Operating System lenovo thinkpad_l14_firmware < 1.20.1.17 Yes
Hardware lenovo thinkpad_l14 - No
Operating System lenovo thinkpad_l15_gen_1_firmware < 1.15 Yes
Hardware lenovo thinkpad_l15_gen_1 - No
Operating System lenovo thinkpad_l15_firmware < 1.20.1.17 Yes
Hardware lenovo thinkpad_l15 - No
Operating System lenovo thinkpad_l380_firmware ≤ 1.26 Yes
Hardware lenovo thinkpad_l380 - No
Operating System lenovo thinkpad_l380_yoga_firmware ≤ 1.26 Yes
Hardware lenovo thinkpad_l380_yoga - No
Operating System lenovo thinkpad_l390_yoga_firmware ≤ 1.35 Yes
Hardware lenovo thinkpad_l390_yoga - No
Operating System lenovo thinkpad_l390_firmware ≤ 1.35 Yes
Hardware lenovo thinkpad_l390 - No
Operating System lenovo thinkpad_s5_2nd_gen_firmware ≤ 1.28 Yes
Hardware lenovo thinkpad_s5_2nd_gen - No
Operating System lenovo thinkpad_t460_firmware ≤ 1.43.1.11 Yes
Hardware lenovo thinkpad_t460 - No
Operating System lenovo thinkpad_s2_gen_6_firmware ≤ 2021-09-30 Yes
Hardware lenovo thinkpad_s2_gen_6 - No
Operating System lenovo thinkpad_s2_yoga_gen_6_firmware ≤ 2021-09-30 Yes
Hardware lenovo thinkpad_s2_yoga_gen_6 - No
Operating System lenovo thinkpad_x12_detachable_gen_1_firmware < 1.16 Yes
Hardware lenovo thinkpad_x12_detachable_gen_1 - No
Operating System lenovo thinkpad_x260_firmware ≤ 1.47\/1.15 Yes
Hardware lenovo thinkpad_x260 - No
Operating System lenovo thinkpad_x380_yoga_firmware ≤ 1.34 Yes
Hardware lenovo thinkpad_x380_yoga - No
Operating System lenovo thinkpad_x390_yoga_firmware < n2let87w Yes
Hardware lenovo thinkpad_x390_yoga - No
Operating System lenovo thinkpad_11e_5th_gen_firmware ≤ 1.13 Yes
Hardware lenovo thinkpad_11e_5th_gen - No
Operating System lenovo thinkpad_11e_5th_gen_firmware ≤ 1.13 Yes
Hardware lenovo thinkpad_yoga_370 - No
Operating System lenovo thinkpad_x1_fold_gen_1_firmware < n2pet50w Yes
Hardware lenovo thinkpad_x1_fold_gen_1 - No
References