CVE-2021-44479
MEDIUMCVSS 5.5/10EPSS 0.26%
Last modified
CVE-2021-44479 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nxp | Kinetis K82 Firmware | All versions |
References
- https://github.com/Xen1thLabs-AE/CVE-2021-40154Third Party Advisory
- https://www.darkmatter.ae/xen1thlabs/published-advisories/Broken Link, Third Party Advisory
- https://github.com/Xen1thLabs-AE/CVE-2021-40154Third Party Advisory
- https://www.darkmatter.ae/xen1thlabs/published-advisories/Broken Link, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-44479?
NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.
How severe is CVE-2021-44479?
CVE-2021-44479 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2021-44479?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
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Are you affected by CVE-2021-44479?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST