CVE-2021-22732 Privilege escalation in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior

High 7.8 Published 26 May 2021 Updated 3 Aug 2024

Attackers can execute arbitrary code on Schneider homeLYnk and spaceLYnk devices by loading unauthorized code, leading to privilege escalation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-22732?

CVE-2021-22732 is a high-severity vulnerability in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior, published on 26 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper Privilege Management vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could cause a code execution issue when an attacker loads unauthorized code on the web server.

Weakness: CWE-269

Which versions are affected by CVE-2021-22732?

It affects 2 products.

Products include Schneider-Electric Homelynk Firmware, Schneider-Electric Spacelynk Firmware.

How do I fix CVE-2021-22732?

No fix has been published for CVE-2021-22732 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-22732 being exploited?

There is no known exploitation of CVE-2021-22732 in the wild and no public exploit code.

Sources

Also known as GHSA-pc58-xxw2-cjgg.