Vulnerability Name:

CCN-153023

Published:2018-11-15
Updated:2018-11-15
Summary:Multiple Lenovo products could allow a remote attacker to bypass security restrictions, caused by a flaw in the AMI firmware. An attacker could exploit this vulnerability to force a CPU firmware downgrade.
CVSS v3 Severity:8.6 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N)
7.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Consequences:Bypass Security
References:Source: XF
Type: UNKNOWN
lenovo-ami-sec-bypass(153023)

Source: CCN
Type: Lenovo Security Advisory: LEN-24239
AMI Firmware Permits Microcode Downgrade

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/h:lenovo:thinkcentre_m6600:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:thinkcentre_m710s:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:thinkcentre_m710t:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:thinkcentre_e74:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:510-15ikl:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:510s-08ikl:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:ideacentre_300-20ish:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:ideacentre_300s-11ish:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:ideacentre_510-15icb:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:ideacentre_510a-15icb:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:ideacentre_510s-08ish:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:ideacentre_620s-03ikl:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:ideacentre_700:-:*:*:*:*:*:*:*
  • OR cpe:/h:lenovo:ideacentre_720-18icb:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    lenovo thinkcentre m6600 -
    lenovo thinkcentre m710s -
    lenovo thinkcentre m710t -
    lenovo thinkcentre e74 -
    lenovo 510-15ikl -
    lenovo 510s-08ikl -
    lenovo ideacentre 300-20ish -
    lenovo ideacentre 300s-11ish -
    lenovo ideacentre 510-15icb -
    lenovo ideacentre 510a-15icb -
    lenovo ideacentre 510s-08ish -
    lenovo ideacentre 620s-03ikl -
    lenovo ideacentre 700 -
    lenovo ideacentre 720-18icb -