6.8
MEDIUM
CVE-2020-8334
Lenovo ThinkPad BIOS Tampering Vulnerability
Description

The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.

INFO

Published Date :

June 9, 2020, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 5:38 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.9
Affected Products

The following products are affected by CVE-2020-8334 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Lenovo thinkpad_a275_firmware
2 Lenovo thinkpad_a475_firmware
3 Lenovo thinkpad_a285_firmware
4 Lenovo thinkpad_a485_firmware
5 Lenovo thinkpad_x395_firmware
6 Lenovo thinkpad_t495_firmware
7 Lenovo thinkpad_t495s_firmware
8 Lenovo thinkpad_a275
9 Lenovo thinkpad_a475
10 Lenovo thinkpad_a285
11 Lenovo thinkpad_a485
12 Lenovo thinkpad_t495
13 Lenovo thinkpad_x395
14 Lenovo thinkpad_t495s
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-8334.

URL Resource
https://support.lenovo.com/us/en/product_security/LEN-30042 Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-30042 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-8334 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8334 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://support.lenovo.com/us/en/product_security/LEN-30042
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-863 CWE-754
  • Initial Analysis by [email protected]

    Jun. 18, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.lenovo.com/us/en/product_security/LEN-30042 No Types Assigned https://support.lenovo.com/us/en/product_security/LEN-30042 Vendor Advisory
    Added CWE NIST CWE-863
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t495s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkpad_t495s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x395_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkpad_x395:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t495_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkpad_t495:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_a485_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkpad_a485:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_a285_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkpad_a285:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_a475_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkpad_a475:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_a275_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:lenovo:thinkpad_a275:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-8334 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-8334 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.00%

score

0.28533

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability