Vulnerability Details : CVE-2020-8320

An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege.
Published 2020-06-09 20:15:22
Updated 2020-06-17 15:14:07
Source Lenovo Group Ltd.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-8320

EPSS FAQ
0.07%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-8320

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.6
 MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
 NIST
6.8
 MEDIUM CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.9
5.9
 NIST
6.4
 MEDIUM CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
0.5
5.9
 Lenovo Group Ltd.

CWE ids for CVE-2020-8320

  • The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
    Assigned by: nvd@nist.gov (Primary)
  • The product is deployed to unauthorized actors with debugging code still enabled or active, which can create unintended entry points or expose sensitive information.
    Assigned by: psirt@lenovo.com (Secondary)

References for CVE-2020-8320

Products affected by CVE-2020-8320

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