CVE-2022-31807 MEDIUM

CVE-2022-31807

Vendor Siemens
Product Building X - Security Manager Edge Controller (ACC-AP)
Weakness CWE-347
Published May 23, 2025
Last update December 9, 2025

CVSS base score

6.2/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A vulnerability has been identified in Building X - Security Manager Edge Controller (ACC-AP) (All versions). Affected devices do not properly check the integrity of firmware updates. This could allow a local attacker to upload a maliciously modified firmware onto the device. In a second scenario, a remote attacker who is able to intercept the transfer of a valid firmware from the server to the device could modify the firmware "on the fly".

Key dates

02Disclosure timeline

May 23, 2025 CVE published
December 9, 2025 Record updated