CVE-2022-31807 Other in Building X - Security Manager Edge Controller (ACC-AP)
Attackers can install malicious firmware via local access or MITM due to missing integrity checks, compromising the device.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-31807?
CVE-2022-31807 is a medium-severity vulnerability in Siemens Building X - Security Manager Edge Controller (ACC-AP), published on 23 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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".
Weakness: CWE-347
Which versions are affected by CVE-2022-31807?
It affects 2 products.
Products include Siemens Sipass Integrated Ac5102 \(Acc-G2\) Firmware, Siemens Sipass Integrated Acc-Ap Firmware.
How do I fix CVE-2022-31807?
No fix has been published for CVE-2022-31807 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-31807 being exploited?
There is no known exploitation of CVE-2022-31807 in the wild and no public exploit code.
Other vulnerabilities in Siemens Building X - Security Manager Edge Controller (ACC-AP)
Sources
Also known as GHSA-33j7-6p7h-f87g.