CVEvulnerability
CVE-2021-40154
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-12-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-125
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.
Affected configurations
• nxp lpc55s69jbd100 firmware
• nxp lpc55s69jbd64 firmware
• nxp lpc55s69jev98 firmware
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://github.com/Xen1thLabs-AE/CVE-2021-40154 Third Party Advisory
- https://www.darkmatter.ae/xen1thlabs/published-advisories/ Broken Link, Third Party Advisory
- https://github.com/Xen1thLabs-AE/CVE-2021-40154 Third Party Advisory
- https://www.darkmatter.ae/xen1thlabs/published-advisories/ Broken Link, Third Party Advisory