AUGUST 4, 2026
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Case File

CVE-2023-33221

MEDIUM · CVSS 6.8 EPSS 1.03%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-12-15 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.8. It may be remotely exploitable.

CVE
CVE-2023-33221
Severity
MEDIUM
CVSS
6.8
EPSS
1.03%

Original NVD Description

When reading DesFire keys, the function that reads the card isn't properly checking the boundaries when copying internally the data received. This allows a heap based buffer overflow that could lead to a potential Remote Code Execution on the targeted device. This is especially problematic if you use Default DESFire key.

Related CVEs

Other vulnerabilities affecting the same vendor(s)