CVE:CVE-2021-33881
CNNVD:CNNVD-202106-377
Nxp Semiconductors NXP MIFARE和NXP NTAG都是荷兰恩智浦半导体（Nxp Semiconductors）公司的产品。NXP MIFARE是一个集成电路 (IC)芯片系列。用于非接触式智能卡和感应卡。NXP NTAG是一种非接触式芯片。它非常适合访问控制、无现金自动售货、逻辑访问等。
NXP MIFARE Ultralight和NTAG存在安全漏洞，该漏洞源于攻击者可利用该漏洞可以通过RFID中断写操作(即进行“撕下”攻击)，以绕过单调计数器保护机制。
solution:Upgrade nxp mifare_ultralight_ev1_firmware to a higher version than -; Upgrade nxp mifare_ultralight_c_firmware to a higher version than -; Upgrade nxp mifare_ultralight_nano_firmware to a higher version than -; Upgrade nxp ntag_210_firmware to a higher version than -; Upgrade nxp ntag_212_firmware to a higher version than -; Upgrade nxp ntag_213_firmware to a higher version than -; Upgrade nxp ntag_215_firmware to a higher version than -; Upgrade nxp ntag_216_firmware to a higher version than -