CVE-2021-22680

NXP MQX Integer Overflow or Wraparound

State: Published
Severity: 7.3 High
Published: May 3, 2022
Updated: Apr 16, 2025
Reserved: Jan 5, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	icscert

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
MQXNXP	5.1 and earlierAffected

References

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

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