CVE-2021-31532: Medium severity nxp lpc55s69 firmware vulnerability
NXP LPC55S6x microcontrollers (0A and 1B), i.MX RT500 (silicon rev B1 and B2), i.MX RT600 (silicon rev A0, B0), LPC55S6x, LPC55S2x, LPC552x (silicon rev 0A, 1B), LPC55S1x, LPC551x (silicon rev 0A) and LPC55S0x, LPC550x (silicon rev 0A) include an undocumented ROM patch peripheral that allows unsigned, non-persistent modification of the internal ROM.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-31532?
The severity of CVE-2021-31532 is medium with a CVSS score of 6.8.
Which microcontrollers are affected by CVE-2021-31532?
NXP LPC55S6x microcontrollers (0A and 1B), i.MX RT500 (silicon rev B1 and B2), i.MX RT600 (silicon rev A0, B0), LPC55S2x, LPC552x (silicon rev 0A, 1B), LPC55S1x, LPC551x (silicon rev 0A), LPC55S0x, and LPC550x are affected by CVE-2021-31532.
What is the vulnerability description of CVE-2021-31532?
CVE-2021-31532 is a vulnerability found in certain NXP microcontrollers that include an undocumented ROM patch peripheral allowing unsigned firmware to be loaded.
How can I fix CVE-2021-31532?
There is currently no known fix for CVE-2021-31532. It is recommended to follow the mitigation steps provided by NXP in their security advisory.
Where can I find more information about CVE-2021-31532?
More information about CVE-2021-31532 can be found in the blog post by Oxide Computer and the security advisory by NXP.