CVE-2021-22814 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-22814, a critical CWE-79 vulnerability in Schneider Electric products, allowing arbitrary script execution. Learn about affected systems, exploitation, and mitigation.
A CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists in Schneider Electric products, leading to arbitrary script execution from a malicious file.
Understanding CVE-2021-22814
This CVE describes a critical vulnerability impacting multiple Schneider Electric products.
What is CVE-2021-22814?
The CVE-2021-22814 is a CWE-79 vulnerability that allows malicious script execution when a specially crafted file is read and displayed.
The Impact of CVE-2021-22814
This vulnerability could be exploited by attackers to execute arbitrary scripts, leading to potential unauthorized access and control over the affected systems.
Technical Details of CVE-2021-22814
This section provides in-depth technical details about the vulnerability and the affected systems.
Vulnerability Description
The vulnerability arises from improper neutralization of input during web page generation ('Cross-site Scripting'), allowing attackers to execute arbitrary scripts.
Affected Systems and Versions
Numerous Schneider Electric products are affected, including 1-Phase and 3-Phase Uninterruptible Power Supplies, Rack Power Distribution Units, Cooling Products, and more.
Exploitation Mechanism
Exploitation of this vulnerability involves injecting malicious scripts into files that are later read and displayed by the affected Schneider Electric products.
Mitigation and Prevention
In this section, we outline the necessary steps to mitigate the risks associated with CVE-2021-22814.
Immediate Steps to Take
Users and administrators are advised to apply security patches provided by Schneider Electric to address this vulnerability immediately.
Long-Term Security Practices
Implementing proper input validation and sanitization practices, along with regular security assessments, can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for security updates and patches released by Schneider Electric for the affected products to ensure a secure environment.