What’s Vulnerable › Vulnerabilities
CVE-2021-31532
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-05-06 · updated 2026-06-17
Description
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 products
- NXP I.Mx Rt500 Firmware: all versions
- NXP I.Mx Rt600 Firmware: all versions
- NXP Lpc5512Jbd100 Firmware: all versions
- NXP Lpc5512Jbd64 Firmware: all versions
- NXP Lpc5514Jbd100 Firmware: all versions
- NXP Lpc5514Jbd64 Firmware: all versions
- NXP Lpc5516Jbd100 Firmware: all versions
- NXP Lpc5516Jbd64 Firmware: all versions
- NXP Lpc5516Jev98 Firmware: all versions
- NXP Lpc5526 Firmware: all versions
- NXP Lpc5528 Firmware: all versions
- NXP Lpc55S14Jbd100 Firmware: all versions
- NXP Lpc55S14Jbd64 Firmware: all versions
- NXP Lpc55S16Jbd100 Firmware: all versions
- NXP Lpc55S16Jbd64 Firmware: all versions
- NXP Lpc55S16Jev98 Firmware: all versions
- NXP Lpc55S26 Firmware: all versions
- NXP Lpc55S28 Firmware: all versions
- NXP Lpc55S66Jbd100 Firmware: all versions
- NXP Lpc55S69Jbd100 Firmware: all versions
- NXP Lpc55S69Jbd64 Firmware: all versions
- NXP Lpc55S69Jev98 Firmware: all versions
- NXP Lpcs66Jbd64 Firmware: all versions
- NXP Lpcs66Jev98 Firmware: all versions
References
- https://oxide.computer/blog/lpc55/
- https://www.nxp.com
- https://oxide.computer/blog/lpc55/
- https://www.nxp.com
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