CVE-2022-22809 Missing authorization in spaceLYnk (V2.6.2 and prior), Wiser for KNX (formerly homeLYnk) (V2.6.2 and prior), fellerLYnk (V2.6.2 and prior)

Medium 5.3 Published 9 Feb 2022 Updated 3 Aug 2024

An attacker can modify touch configurations without authentication on Schneider Electric smart home gateways, potentially altering device behavior.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-22809?

CVE-2022-22809 is a medium-severity missing authorization vulnerability in spaceLYnk (V2.6.2 and prior), Wiser for KNX (formerly homeLYnk) (V2.6.2 and prior), fellerLYnk (V2.6.2 and prior), published on 9 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A CWE-306: Missing Authentication for Critical Function vulnerability exists that could allow modifications of the touch configurations in an unauthorized manner when an attacker attempts to modify the touch configurations. Affected Product: spaceLYnk (V2.6.2 and prior), Wiser for KNX (formerly homeLYnk) (V2.6.2 and prior), fellerLYnk (V2.6.2 and prior)

Weakness: CWE-306

Which versions are affected by CVE-2022-22809?

It affects 3 products.

Products include Schneider-Electric Fellerlynk Firmware, Schneider-Electric Spacelynk Firmware, Schneider-Electric Wiser for Knx Firmware.

How do I fix CVE-2022-22809?

No fix has been published for CVE-2022-22809 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2022-22809 being exploited?

There is no known exploitation of CVE-2022-22809 in the wild and no public exploit code.

Sources

Also known as GHSA-qrhr-2vcp-5jrh.