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Status published
Medium
CVE-2021-40154
NXP LPC55S69 devices before A3 have a buffer over-read via...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
lpc55s69jbd100 firmware, lpc55s69jbd64 firmware, lpc55s69jev98 firmware
Vulnerable Versions:
Unknown
Timeline
Official Publish:
December 1st, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AC:L/AV:L/A:L/C:H/I:N/PR:L/S:U/UI:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.