Nxp · Ntag · CVE-2021-33881
Name of the Vulnerable Software and Affected Versions:
NXP MIFARE Ultralight and NTAG cards (affected versions not specified)
Description:
The issue allows an attacker to interrupt a write operation, also known as a "tear off" attack, over RFID. This can bypass a Monotonic Counter protection mechanism. The impact of this issue depends on how the anti-tear-off feature is used in specific applications, such as public transportation or physical access control.
Recommendations:
At the moment, there is no information about a newer version that contains a fix for this vulnerability.