CVE-2026-34021 : 詳細

CVE-2026-34021

2026-06-15
12h16 +00:00
A07-Identif. and Authent. Fail
2026-10-25
23h10 +00:00
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CVE の説明

The Wertheim SafeController 5400, Controller 5400 - AssemblyVersion 6.11.8130.22320, uses RS-485 communication between the server and the microcontroller without cryptographic protection. An attacker with access to the communication path between the server and the microcontroller can sniff RS-485 messages and replay previously observed messages. This can be used, for example, to spoof a "quit alarm" message and continuously deactivate the safe alarm.

CVE の情報

関連する弱点

CWE-ID 弱点名 出典
CWE-294 Authentication Bypass by Capture-replay
A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).

参考資料