CVE-2024-53832 MEDIUM

CVE-2024-53832

Vendor Siemens
Product CPCI85 Central Processing/Communication
Weakness CWE-522 · Insufficiently protected credentials
Published December 10, 2024
Last update November 3, 2025

CVSS base score

4.6/10
Attack vector Physical
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V05.30). The affected devices contain a secure element which is connected via an unencrypted SPI bus. This could allow an attacker with physical access to the SPI bus to observe the password used for the secure element authentication, and then use the secure element as an oracle to decrypt all encrypted update files.

Key dates

02Disclosure timeline

December 10, 2024 CVE published
November 3, 2025 Record updated