4.2

CVE-2021-33881

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Nxp ≫ Mifare Ultralight Ev1 Firmware Version -
   Nxp ≫ Mifare Ultralight Ev1 Version -
Nxp ≫ Mifare Ultralight C Firmware Version -
   Nxp ≫ Mifare Ultralight C Version -
Nxp ≫ Ntag 210 Firmware Version -
   Nxp ≫ Ntag 210 Version -
Nxp ≫ Ntag 212 Firmware Version -
   Nxp ≫ Ntag 212 Version -
Nxp ≫ Ntag 213 Firmware Version -
   Nxp ≫ Ntag 213 Version -
Nxp ≫ Ntag 215 Firmware Version -
   Nxp ≫ Ntag 215 Version -
Nxp ≫ Ntag 216 Firmware Version -
   Nxp ≫ Ntag 216 Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.41% 0.326
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 4.2 0.5 3.6
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NIST 1.9 3.4 2.9
AV:L/AC:M/Au:N/C:N/I:P/A:N
CWE-863 Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

https://blog.quarkslab.com/rfid-monotonic-counter-anti-tearing-defeated.html
Third Party Advisory
Mitigation
https://www.nxp.com/docs/en/application-note/AN11340.pdf
Vendor Advisory
https://www.nxp.com/docs/en/application-note/AN13089.pdf
Vendor Advisory
https://www.sstic.org/2021/presentation/eeprom_it_will_all_end_in_tears/
Third Party Advisory
Exploit