VULNERABILITY INTELLIGENCE

CVE-2021-40154

CVSS score6.1 MEDIUM
EPSS probability0.77%
CISA KEVNot currently listed
Published2021-12-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

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.

Weakness classification

  • nvd@nist.gov: CWE-125

Primary references