Vulnerability · Published Dec 1, 2021 · Assigned by mitre

CVE-2021-40154

Medium 6.1

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.8%top 44.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack tooling1Public PoC

Official 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 products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.darkmatter.ae/xen1thlabs/published-advisories/ x_refsource_MISC
https://github.com/Xen1thLabs-AE/CVE-2021-40154 x_refsource_MISC