CVE-2021-31532 Security feature bypass in n/a
An undocumented ROM patch peripheral in NXP microcontrollers allows attackers to modify internal ROM, bypassing security features and executing arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-31532?
CVE-2021-31532 is a medium-severity vulnerability in n/a, published on 6 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2021-31532?
It affects 24 products.
Products include Nxp I.mx Rt500 Firmware, Nxp I.mx Rt600 Firmware, Nxp Lpc5512jbd100 Firmware, Nxp Lpc5512jbd64 Firmware, Nxp Lpc5514jbd100 Firmware, Nxp Lpc5514jbd64 Firmware and 18 more.
How do I fix CVE-2021-31532?
No fix has been published for CVE-2021-31532 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-31532 being exploited?
There is no known exploitation of CVE-2021-31532 in the wild and no public exploit code.
Sources
Also known as GHSA-236w-64qf-jjqf.