CVE-2021-4212

🗓️ 22 Apr 2022 20:30:44Reported by lenovoType

cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 96 Views

Potential vulnerability in SMI callback function of Legacy BIOS mode driver in some Lenovo Notebook model

Reporter	Title	Published	Views	Family All 10
attackerkb	CVE-2021-4212	22 Apr 202221:15	–	attackerkb
BDU FSTEC	Lenovo SMI Driver Reverse Trigger Code Execution	17 May 202200:00	–	bdu_fstec
Circl	CVE-2021-4212	23 Apr 202200:28	–	circl
CNNVD	Lenovo Notebook: Input validation error vulnerability	8 Feb 202200:00	–	cnnvd
Cvelist	CVE-2021-4212	22 Apr 202220:30	–	cvelist
EUVD	EUVD-2021-34070	3 Oct 202520:07	–	euvd
NVD	CVE-2021-4212	22 Apr 202221:15	–	nvd
Prion	Code injection	22 Apr 202221:15	–	prion
Positive Technologies	PT-2022-2546	24 Jan 202200:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2021-4212: Improper Input Validation	22 Apr 202200:00	–	rapid7

NVD

Node

AND

lenovo c340-14iml_firmwareMatch-

lenovo c340-14imlMatch-

Node

AND

lenovo c340-15iml_firmwareMatch-

lenovo c340-15imlMatch-

Node

AND

lenovo d330-10igm_firmwareMatch-

lenovo d330-10igmMatch-

Node

AND

lenovo duet_3-10igl5_firmwareMatch-

lenovo duet_3-10igl5Match-

Node

AND

lenovo e41-50_firmwareMatch-

lenovo e41-50Match-

Node

AND

lenovo flex-14iml_firmwareMatch-

lenovo flex-14imlMatch-

Node

AND

lenovo flex-15iml_firmwareMatch-

lenovo flex-15imlMatch-

Node

AND

lenovo ideapad_3-14are05_firmwareMatch-

lenovo ideapad_3-14are05Match-

Node

AND

lenovo ideapad_3-15are05_firmwareMatch-

lenovo ideapad_3-15are05Match-

Node

AND

lenovo ideapad_3-17are05_firmwareMatch-

lenovo ideapad_3-17are05Match-

Node

AND

lenovo ideapad_5-14alc05_firmwareMatch-

lenovo ideapad_5-14alc05Match-

Node

AND

lenovo ideapad_5-14are05_firmwareMatch-

lenovo ideapad_5-14are05Match-

Node

AND

lenovo ideapad_5-15itl05_firmwareMatch-

lenovo ideapad_5-15itl05Match-

Node

AND

lenovo ideapad_5_pro-14acn6_firmwareMatch-

lenovo ideapad_5_pro-14acn6Match-

Node

AND

lenovo ideapad_5_pro-14itl6_firmwareMatch-

lenovo ideapad_5_pro-14itl6Match-

Node

AND

lenovo ideapad_5_pro-16ihu6_firmwareMatch-

lenovo ideapad_5_pro-16ihu6Match-

Node

AND

lenovo ideapad_creator_5-15imh05_firmwareMatch-

lenovo ideapad_creator_5-15imh05Match-

Node

AND

lenovo ideapad_gaming_3-15ach6_firmwareMatch-

lenovo ideapad_gaming_3-15ach6Match-

Node

AND

lenovo ideapad_gaming_3-15arh05_firmwareMatch-

lenovo ideapad_gaming_3-15arh05Match-

Node

AND

lenovo ideapad_gaming_3-15imh05_firmwareMatch-

lenovo ideapad_gaming_3-15imh05Match-

Node

AND

lenovo l340-15irh_firmwareMatch-

lenovo l340-15irhMatch-

Node

AND

lenovo l340-15iwl_firmwareMatch-

lenovo l340-15iwlMatch-

Node

AND

lenovo l340-15iwl_touch_firmwareMatch-

lenovo l340-15iwl_touchMatch-

Node

AND

lenovo l340-17irh_firmwareMatch-

lenovo l340-17irhMatch-

Node

AND

lenovo l340-17iwl_firmwareMatch-

lenovo l340-17iwlMatch-

Node

AND

lenovo legion_y540-15irh_firmwareMatch-

lenovo legion_y540-15irhMatch-

Node

AND

lenovo legion_y540-15irh-pg0_firmwareMatch-

lenovo legion_y540-15irh-pg0Match-

Node

AND

lenovo legion_y540-17irh_firmwareMatch-

lenovo legion_y540-17irhMatch-

Node

AND

lenovo legion_y540-17irh-pg0_firmwareMatch-

lenovo legion_y540-17irh-pg0Match-

Node

AND

lenovo legion_y545_firmwareMatch-

lenovo legion_y545Match-

Node

AND

lenovo legion_y545-pg0_firmwareMatch-

lenovo legion_y545-pg0Match-

Node

AND

lenovo legion_y7000-2019_firmwareMatch-

lenovo legion_y7000-2019Match-

Node

AND

lenovo legion_y7000-2019-pg0_firmwareMatch-

lenovo legion_y7000-2019-pg0Match-

Node

AND

lenovo s340-13iml_firmwareMatch-

lenovo s340-13imlMatch-

Node

AND

lenovo s340-14api_firmwareMatch-

lenovo s340-14apiMatch-

Node

AND

lenovo s340-14iml_firmwareMatch-

lenovo s340-14imlMatch-

Node

AND

lenovo s340-15api_firmwareMatch-

lenovo s340-15apiMatch-

Node

AND

lenovo s340-15api_touch_firmwareMatch-

lenovo s340-15api_touchMatch-

Node

AND

lenovo s340-15iml_firmwareMatch-

lenovo s340-15imlMatch-

Node

AND

lenovo s540-14iml_firmwareMatch-

lenovo s540-14imlMatch-

Node

AND

lenovo s540-14iml_touch_firmwareMatch-

lenovo s540-14iml_touchMatch-

Node

AND

lenovo s540-15iml_firmwareMatch-

lenovo s540-15imlMatch-

Node

AND

lenovo slim_7-14are05_firmwareMatch-

lenovo slim_7-14are05Match-

Node

AND

lenovo slim_7-14itl05_firmwareMatch-

lenovo slim_7-14itl05Match-

Node

AND

lenovo slim_7-15iil05_firmwareMatch-

lenovo slim_7-15iil05Match-

Node

AND

lenovo slim_7-15imh05_firmwareMatch-

lenovo slim_7-15imh05Match-

Node

AND

lenovo slim_7-15itl05_firmwareMatch-

lenovo slim_7-15itl05Match-

Node

AND

lenovo thinkbook_13x_itg_firmwareMatch-

lenovo thinkbook_13x_itgMatch-

Node

AND

lenovo thinkbook_14_g3_itl_firmwareMatch-

lenovo thinkbook_14_g3_itlMatch-

Node

AND

lenovo thinkbook_plus_g2_itg_firmwareMatch-

lenovo thinkbook_plus_g2_itgMatch-

Node

AND

lenovo v14-are_firmwareMatch-

lenovo v14-areMatch-

Node

AND

lenovo v140-15iwl_firmwareMatch-

lenovo v140-15iwlMatch-

Node

AND

lenovo v340-17iwl_firmwareMatch-

lenovo v340-17iwlMatch-

Node

AND

lenovo yoga_6-13alc6_firmwareMatch-

lenovo yoga_6-13alc6Match-

Node

AND

lenovo yoga_creator_7-15imh05_firmwareMatch-

lenovo yoga_creator_7-15imh05Match-

Node

AND

lenovo yoga_slim_7-14are05_firmwareMatch-

lenovo yoga_slim_7-14are05Match-

Node

AND

lenovo yoga_slim_7-14iil05_firmwareMatch-

lenovo yoga_slim_7-14iil05Match-

Node

AND

lenovo yoga_slim_7-14itl05_firmwareMatch-

lenovo yoga_slim_7-14itl05Match-

Node

AND

lenovo yoga_slim_7-15iil05_firmwareMatch-

lenovo yoga_slim_7-15iil05Match-

Node

AND

lenovo yoga_slim_7-15imh05_firmwareMatch-

lenovo yoga_slim_7-15imh05Match-

Node

AND

lenovo yoga_slim_7-15itl05_firmwareMatch-

lenovo yoga_slim_7-15itl05Match-

Node

AND

lenovo yoga_slim_7_carbon_13itl5_firmwareMatch-

lenovo yoga_slim_7_carbon_13itl5Match-

[
  {
    "product": "BIOS",
    "vendor": "Lenovo",
    "versions": [
      {
        "status": "affected",
        "version": "various"
      }
    ]
  }
]

Source	Link
support	www.support.lenovo.com/us/en/product_security/LEN-77639

17 Jun 2026 04:19Current

6.7Medium risk

Vulners AI Score6.7

CVSS 3.16.7

CVSS 27.2

EPSS0.00261

CWE-20