CVE-2021-22767CWE-20

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…

Critical · published June 11, 2021

CVSS v3.1
9.8
EPSS
3%
Percentile
86.0
In the wild
Unconfirmed
What it is

🔥 A specially crafted HTTP packet is all it takes to push a PowerLogic device into chaos! Think of it like a rogue delivery person handing over a package that looks fine on the outside but contains a ticking time bomb inside. If the recipient isn't careful—boom! This vulnerability could lead to a denial of service, or even worse, remote code execution. An attacker could potentially seize control of the device, leaving your network vulnerable to serious exploits—like giving a burglar the front door key to your home!

Put simply

Think of it like a rogue delivery person handing over a package that looks fine on the outside but contains a ticking time bomb inside. If the recipient isn't careful—boom! The vulnerability arises from improper input validation in PowerLogic EGX100 (versions 3.0.0 and newer) and EGX300 (all versions), allowing an attacker to send a malicious HTTP packet that the device accepts without proper checks.

What to do

This vulnerability could lead to a denial of service, or even worse, remote code execution. An attacker could potentially seize control of the device, leaving your network vulnerable to serious exploits—like giving a burglar the front door key to your home! Immediately update PowerLogic EGX100 to version 3.0.1 or later, and make sure the EGX300 is running the latest firmware. Always implement network segmentation to limit exposure and monitor traffic for suspicious packets. You've got this! Keep your devices secure and stay one step ahead of the bad guys! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02730 · 86.0th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2021-06-11T15:40Z
EPSS history
Timeline
  • 11 JUN 15:40Z
    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…
    cvelistv5