CVE-2025-4053
Unauthorized creation of master key in Mifare Classic Be-Tech cards
- State
- Published
- Severity
- 6.8 Medium
- Published
- May 26, 2025
- Updated
- May 27, 2025
- Reserved
- Apr 28, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.8 Medium | 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 | CERT-PL |
Weaknesses
- CWE-312 Cleartext Storage of Sensitive Information
Affected Products
| Product | Versions |
|---|---|
Mifare Classic cardsBe-Tech |
|
References
- https://cert.pl/en/posts/2025/05/CVE-2025-4053/third-party-advisory
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