CVE-2025-4053 MEDIUM

CVE-2025-4053: Unauthorized creation of master key in Mifare Classic Be-Tech cards

Vendor Be-Tech
Product Mifare Classic cards
Weakness CWE-312 · Cleartext storage
Published May 26, 2025
Last update May 27, 2025
View on NVD All CVEs

CVSS base score

6.8/10
Attack vector Physical
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

The data stored in Be-Tech Mifare Classic card is stored in cleartext. An attacker having access to a Be-Tech hotel guest Mifare Classic card can create a master key card that unlocks all the locks in the building. This issue affects all Be-Tech Mifare Classic card systems. To fix the vulnerability, it is necessary to replace the software, encoder, cards, and PCBs in the locks.

Key dates

02Disclosure timeline

May 26, 2025 CVE published
May 27, 2025 Record updated