CVE-2021-40154

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.63%
Third-Party Advisory github.com Third-Party Advisory darkmatter.ae
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.darkmatter.ae/xen1thlabs/published-advisories/ third party advisory broken link
https://github.com/Xen1thLabs-AE/CVE-2021-40154 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-40154?
CVE-2021-40154 has been scored as a medium severity vulnerability.
How to fix CVE-2021-40154?
To fix CVE-2021-40154, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40154 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-40154 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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