Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2020-8335

Quick assessment

Affected
Lenovo ThinkPad A285 BIOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Lenovo ThinkPad是联想（Lenovo）的一个便携式计算机。 Lenovo ThinkPad A285（r0xuj70w以下的BIOS版本；A485，r0wuj65w以下的BIOS版本；T495 r12uj55w以下的BIOS版本；T495s/X395，高达r13uj47w的BIOS版本）中存在安全漏洞，该漏洞源于未触发BIOS篡改检测机制，在按下紧急复位按钮可能允许未经授权的访问。

CVSS 6.1 · Medium EPSS 0.31% · P24

Possible ATT&CK Techniques 1 AI

T1542.001 · System Firmware
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2020-8335

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo ThinkPad 未授权访问漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo ThinkPad是联想（Lenovo）的一个便携式计算机。 Lenovo ThinkPad A285（r0xuj70w以下的BIOS版本；A485，r0wuj65w以下的BIOS版本；T495 r12uj55w以下的BIOS版本；T495s/X395，高达r13uj47w的BIOS版本）中存在安全漏洞，该漏洞源于未触发BIOS篡改检测机制，在按下紧急复位按钮可能允许未经授权的访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Lenovo ThinkPad A285 BIOS unspecified ~ r0xuj70w -
Lenovo ThinkPad A485 BIOS unspecified ~ r0wuj65w -
Lenovo ThinkPad T495 BIOS unspecified ~ r12uj55w -
Lenovo ThinkPad T495s/X395 BIOS unspecified ~ r13uj47w -

II. Public POCs for CVE-2020-8335

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2020-8335

请登录查看更多情报信息。

Vendor Advisories for CVE-2020-8335 (1)

IV. Related Vulnerabilities

Same vendor: Lenovo

V. Comments for CVE-2020-8335

No comments yet

Leave a comment