Vulnerability Name:

CVE-2021-3614 (CCN-205720)

Assigned:2021-07-13
Published:2021-07-13
Updated:2021-07-30
Summary:A vulnerability was reported on some Lenovo Notebook systems that could allow an attacker with physical access to elevate privileges under certain conditions during a BIOS update performed by Lenovo Vantage.
CVSS v3 Severity:6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
5.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-3614

Source: XF
Type: UNKNOWN
lenovo-cve20213614-priv-esc(205720)

Source: CCN
Type: Lenovo Security Advisory: LEN-65529
Lenovo BIOS Vulnerabilities (July 2021)

Source: MISC
Type: Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-65529

Vulnerable Configuration:Configuration 1:
  • cpe:/o:lenovo:ideapad_1-11ada05_firmware:fqcn19ww:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_1-11ada05:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:lenovo:ideapad_1-14ada05_firmware:fqcn19ww:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_1-14ada05:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:lenovo:v130-15ikb_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:v130-15ikb:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:lenovo:100e_2nd_gen_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:100e_2nd_gen:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:lenovo:300e_2nd_gen_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:300e_2nd_gen:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:lenovo:ideapad_730-13iml_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_730-13iml:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:lenovo:ideapad_flex_5-14alc05_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_flex_5-14alc05:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:lenovo:ideapad_flex_5-15alc05_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_flex_5-15alc05:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:lenovo:ideapad_1-11igl05_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_1-11igl05:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:lenovo:ideapad_1-14igl05_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_1-14igl05:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:lenovo:ideapad_s940-14iil_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_s940-14iil:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:lenovo:ideapad_s940-14iwl_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_s940-14iwl:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:lenovo:ideapad_slim_1-11ast-05_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_slim_1-11ast-05:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:lenovo:ideapad_slim_1-14ast-05_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_slim_1-14ast-05:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:lenovo:v130-15igm_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:v130-15igm:-:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:lenovo:v130-15ikb_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:v130-15ikb:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:lenovo:v330-15ikb_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:v330-15ikb:-:*:*:*:*:*:*:*

    • Configuration 18:
  • cpe:/o:lenovo:v330-15isk_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:v330-15isk:-:*:*:*:*:*:*:*

    • Configuration 19:
  • cpe:/o:lenovo:ideapad_yoga_c940-15irh_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_yoga_c940-15irh:-:*:*:*:*:*:*:*

    • Configuration 20:
  • cpe:/o:lenovo:ideapad_yoga_s730-13iml_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_yoga_s730-13iml:-:*:*:*:*:*:*:*

    • Configuration 21:
  • cpe:/o:lenovo:ideapad_yoga_s940-14iil_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_yoga_s940-14iil:-:*:*:*:*:*:*:*

    • Configuration 22:
  • cpe:/o:lenovo:ideapad_yoga_s940-14iwl_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:lenovo:ideapad_yoga_s940-14iwl:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    lenovo ideapad 1-11ada05 firmware fqcn19ww
    lenovo ideapad 1-11ada05 -
    lenovo ideapad 1-14ada05 firmware fqcn19ww
    lenovo ideapad 1-14ada05 -
    lenovo v130-15ikb firmware -
    lenovo v130-15ikb -
    lenovo 100e 2nd gen firmware -
    lenovo 100e 2nd gen -
    lenovo 300e 2nd gen firmware -
    lenovo 300e 2nd gen -
    lenovo ideapad 730-13iml firmware -
    lenovo ideapad 730-13iml -
    lenovo ideapad flex 5-14alc05 firmware -
    lenovo ideapad flex 5-14alc05 -
    lenovo ideapad flex 5-15alc05 firmware -
    lenovo ideapad flex 5-15alc05 -
    lenovo ideapad 1-11igl05 firmware -
    lenovo ideapad 1-11igl05 -
    lenovo ideapad 1-14igl05 firmware -
    lenovo ideapad 1-14igl05 -
    lenovo ideapad s940-14iil firmware -
    lenovo ideapad s940-14iil -
    lenovo ideapad s940-14iwl firmware -
    lenovo ideapad s940-14iwl -
    lenovo ideapad slim 1-11ast-05 firmware -
    lenovo ideapad slim 1-11ast-05 -
    lenovo ideapad slim 1-14ast-05 firmware -
    lenovo ideapad slim 1-14ast-05 -
    lenovo v130-15igm firmware -
    lenovo v130-15igm -
    lenovo v130-15ikb firmware -
    lenovo v130-15ikb -
    lenovo v330-15ikb firmware -
    lenovo v330-15ikb -
    lenovo v330-15isk firmware -
    lenovo v330-15isk -
    lenovo ideapad yoga c940-15irh firmware -
    lenovo ideapad yoga c940-15irh -
    lenovo ideapad yoga s730-13iml firmware -
    lenovo ideapad yoga s730-13iml -
    lenovo ideapad yoga s940-14iil firmware -
    lenovo ideapad yoga s940-14iil -
    lenovo ideapad yoga s940-14iwl firmware -
    lenovo ideapad yoga s940-14iwl -