CVE-2021-22766 Explained : Impact and Mitigation
Get insights into CVE-2021-22766, a CWE-20 vulnerability affecting PowerLogic EGX100 and EGX300, leading to denial of service via specially crafted HTTP packets. Learn how to mitigate and prevent exploitation.
A CWE-20 vulnerability has been identified in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions) that could lead to a denial of service through a specifically crafted HTTP packet.
Understanding CVE-2021-22766
This section will cover the key details surrounding CVE-2021-22766.
What is CVE-2021-22766?
CVE-2021-22766 is a CWE-20: Improper Input Validation vulnerability found in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions), allowing for a denial of service attack via a malicious HTTP packet.
The Impact of CVE-2021-22766
The exploitation of this vulnerability could result in a complete denial of service of the affected systems, potentially leading to disruptions in operations and services.
Technical Details of CVE-2021-22766
This section will delve into the technical aspects of CVE-2021-22766.
Vulnerability Description
The vulnerability is due to improper input validation within the affected PowerLogic EGX devices, enabling an attacker to send a specially crafted HTTP packet to trigger the denial of service condition.
Affected Systems and Versions
PowerLogic EGX100 versions 3.0.0 and above, as well as all versions of PowerLogic EGX300, are impacted by this vulnerability.
Exploitation Mechanism
By sending a malicious HTTP packet to the vulnerable devices, an attacker can exploit the improper input validation flaw to cause a denial of service, disrupting normal device operation.
Mitigation and Prevention
In this section, we will discuss the steps to mitigate and prevent CVE-2021-22766.
Immediate Steps to Take
It is recommended to apply security patches and updates provided by the vendor to address the vulnerability promptly and prevent potential exploitation.
Long-Term Security Practices
Implementing network segmentation, access controls, and regular security assessments can enhance the overall security posture and reduce the risk of such vulnerabilities being exploited.
Patching and Updates
Stay informed about security advisories from the vendor and ensure timely installation of patches and updates to protect the PowerLogic EGX devices from known vulnerabilities.