First published: Thu May 06 2021(Updated: )
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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Nxp Lpc55s69jbd100 Firmware | ||
Nxp Lpc55s69jbd100 | =0a | |
Nxp Lpc55s69jbd100 | =1b | |
Nxp Lpc55s66jbd100 Firmware | ||
Nxp Lpc55s66jbd100 | =0a | |
Nxp Lpc55s66jbd100 | =1b | |
Nxp Lpc55s69jev98 Firmware | ||
Nxp Lpc55s69jev98 | =0a | |
Nxp Lpc55s69jev98 | =1b | |
Nxp Lpcs66jev98 Firmware | ||
Nxp Lpcs66jev98 | =0a | |
Nxp Lpcs66jev98 | =1b | |
Nxp Lpc55s69jbd64 Firmware | ||
Nxp Lpc55s69jbd64 | =0a | |
Nxp Lpc55s69jbd64 | =1b | |
Nxp Lpcs66jbd64 Firmware | ||
Nxp Lpcs66jbd64 | =0a | |
Nxp Lpcs66jbd64 | =1b | |
Nxp I.mx Rt500 Firmware | ||
Nxp I.mx Rt500 | =b1 | |
Nxp I.mx Rt500 | =b2 | |
Nxp I.mx Rt600 Firmware | ||
Nxp I.mx Rt600 | =a0 | |
Nxp I.mx Rt600 | =b0 | |
Nxp Lpc55s28 Firmware | ||
Nxp Lpc55s28 | =0a | |
Nxp Lpc55s28 | =1b | |
Nxp Lpc55s26 Firmware | ||
Nxp Lpc55s26 | =0a | |
Nxp Lpc55s26 | =1b | |
Nxp Lpc5528 Firmware | ||
Nxp Lpc5528 | =0a | |
Nxp Lpc5528 | =1b | |
Nxp Lpc5526 Firmware | ||
Nxp Lpc5526 | =0a | |
Nxp Lpc5526 | =1b | |
Nxp Lpc55s16jbd100 Firmware | ||
Nxp Lpc55s16jbd100 | =0a | |
Nxp Lpc55s16jev98 Firmware | ||
Nxp Lpc55s16jev98 | =0a | |
Nxp Lpc55s16jbd64 Firmware | ||
Nxp Lpc55s16jbd64 | =0a | |
Nxp Lpc55s14jbd100 Firmware | ||
Nxp Lpc55s14jbd100 | =0a | |
Nxp Lpc55s14jbd64 Firmware | ||
Nxp Lpc55s14jbd64 | =0a | |
Nxp Lpc5516jbd100 Firmware | ||
Nxp Lpc5516jbd100 | =0a | |
Nxp Lpc5516jev98 Firmware | ||
Nxp Lpc5516jev98 | =0a | |
Nxp Lpc5516jbd64 Firmware | ||
Nxp Lpc5516jbd64 | =0a | |
Nxp Lpc5514jbd100 Firmware | ||
Nxp Lpc5514jbd100 | =0a | |
Nxp Lpc5514jbd64 Firmware | ||
Nxp Lpc5514jbd64 | =0a | |
Nxp Lpc5512jbd100 Firmware | ||
Nxp Lpc5512jbd100 | =0a | |
Nxp Lpc5512jbd64 Firmware | ||
Nxp Lpc5512jbd64 | =0a |
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The severity of CVE-2021-31532 is medium with a CVSS score of 6.8.
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.
CVE-2021-31532 is a vulnerability found in certain NXP microcontrollers that include an undocumented ROM patch peripheral allowing unsigned firmware to be loaded.
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.
More information about CVE-2021-31532 can be found in the blog post by Oxide Computer and the security advisory by NXP.