VulnerabilityModified
CVE-2021-40154
This discloses protected flash memory.
MEDIUM 5.5EPSS 0.73%
Does this matter?
Lower severity and a low EPSS score (0.73%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.73% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- nxp/lpc55s69jbd100 firmware · nxp/lpc55s69jbd64 firmware · nxp/lpc55s69jev98 firmware
- Source
- cve@mitre.org
References
- https://github.com/Xen1thLabs-AE/CVE-2021-40154Third Party Advisory
- https://www.darkmatter.ae/xen1thlabs/published-advisories/Broken Link, Third Party Advisory
- https://github.com/Xen1thLabs-AE/CVE-2021-40154Third Party Advisory
- https://www.darkmatter.ae/xen1thlabs/published-advisories/Broken Link, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.