PoC Index

CVE-2021-40154

MEDIUM 6.1EPSS 0.7%

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.

CVSS v3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v3.1
6.1 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
CVSS v2.0
2.1 LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS
0.73% chance of exploitation in the next 30 days, 52th percentile
Published
2021-12-01
Updated
2024-08-04

Proof-of-concept exploits (1)

References

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