CVE - CVE-2021-33881

CVE-ID
CVE-2021-33881	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://blog.quarkslab.com/rfid-monotonic-counter-anti-tearing-defeated.html MISC:https://www.nxp.com/docs/en/application-note/AN11340.pdf MISC:https://www.nxp.com/docs/en/application-note/AN13089.pdf MISC:https://www.sstic.org/2021/presentation/eeprom_it_will_all_end_in_tears/
Assigning CNA
MITRE Corporation
Date Record Created
20210606	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20210606)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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