cve/2021/CVE-2021-33881.md
2024-05-25 21:48:12 +02:00

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CVE-2021-33881

Description

On NXP MIFARE Ultralight and NTAG cards, an attacker can interrupt a write operation (aka conduct a "tear off" attack) over RFID to bypass a Monotonic Counter protection mechanism. The impact depends on how the anti tear-off feature is used in specific applications such as public transportation, physical access control, etc.

POC

Reference

No PoCs from references.

Github