CVE-2021-22680
Last modified
CVE-2021-22680 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nxp | Mqx | <= 5.1 |
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04Mitigation, Third Party Advisory, US Government Resource
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04Mitigation, Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-22680?
How severe is CVE-2021-22680?
How do I fix CVE-2021-22680?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-22675The affected product is vulnerable to integer overflow while…7.2
- CVE-2021-22676UserExcelOut.asp within WebAccess/SCADA is vulnerable to cro…6.1
- CVE-2021-22677An integer overflow exists in the APIs of the host MCU while…7.8
- CVE-2021-22678Cscape (All versions prior to 9.90 SP4) lacks proper validat…7.8
- CVE-2021-22679The affected product is vulnerable to an integer overflow wh…9.8
- CVE-2021-2268Vulnerability in the Oracle Quoting product of Oracle E-Busi…8.1
- CVE-2021-22681Rockwell Automation Studio 5000 Logix Designer Versions 21 a…9.8
- CVE-2021-22682Cscape (All versions prior to 9.90 SP4) is configured by def…7.8
- CVE-2021-22683Fatek FvDesigner Version 1.5.76 and prior is vulnerable to a…7.8
- CVE-2021-22684Tizen RT RTOS version 3.0.GBB is vulnerable to integer wrap-…7.5
- CVE-2021-22685An attacker may be able to use minify route with a relative …7.5
- CVE-2021-22686Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
Are you affected by CVE-2021-22680?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST