AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-40154

MEDIUM · CVSS 6.1 EPSS 0.73% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-01 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-40154
Severity
MEDIUM
CVSS
6.1
EPSS
0.73%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)