CVE-2021-44479
MEDIUM
Published Dec 1, 20214y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Published Dec 1, 2021 4y ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None
Threat Intelligence
No active exploitation signals — not in CISA KEV and no EPSS score yet.
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-125 Out-of-bounds Read Memory Safety
Affected Products 2
References 2
- github.com https://github.com/Xen1thLabs-AE/CVE-2021-40154
- darkmatter.ae https://www.darkmatter.ae/xen1thlabs/published-advisories/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.