CVE-2021-22767 Other in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions)

Critical 9.8 Published 11 Jun 2021 Updated 29 May 2026

Improper input validation in PowerLogic EGX100/300 allows attackers to cause denial of service or remote code execution via crafted HTTP packets.

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-2021-22767?

CVE-2021-22767 is a critical vulnerability in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions), published on 11 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A CWE-20: Improper Input Validation vulnerability exists in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions) that could cause denial of service or remote code execution via a specially crafted HTTP packet.This CVE ID is unique from CVE-2021-2276

Weakness: CWE-20

Which versions are affected by CVE-2021-22767?

It affects 2 products.

Products include Schneider-Electric Powerlogic Egx100 Firmware, Schneider-Electric Powerlogic Egx300 Firmware.

How do I fix CVE-2021-22767?

No fix has been published for CVE-2021-22767 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-22767 being exploited?

There is no known exploitation of CVE-2021-22767 in the wild and no public exploit code.

Sources

Also known as GHSA-88cq-9hm3-v7ff.