Vulnerability · Published May 3, 2022 · Assigned by icscert

CVE-2021-22680NXP MQX Integer Overflow or Wraparound

High 7.3

In plain English

A high-severity integer overflow in MQX from NXP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)1.6%top 24.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

NXP MQX Versions 5.1 and prior are vulnerable to integer overflow in mem_alloc, _lwmem_alloc and _partition functions. This unverified memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Affected products (as reported)

Vendor	Product	Versions
NXP	MQX	unspecified – through 5.1

Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 x_refsource_CONFIRM