CVE Vulnerability

CVE-2021-40154

NXP LPC55S69 devices before A3 have a buffer over-read via a crafted wlength value in a GET Descriptor Configuration request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/Xen1thLabs-AE/CVE-2021-40154 Third Party Advisory
https://www.darkmatter.ae/xen1thlabs/published-advisories/ Broken Link Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-12-01 03:15

Updated : 2021-12-06 07:28

NVD link : CVE-2021-40154

Mitre link : CVE-2021-40154

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read