CVE-2021-22812 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-22812, a CWE-79 vulnerability affecting Schneider Electric products including UPS systems and PDU units. Learn about the affected systems and recommended mitigation measures.
A CWE-79 vulnerability exists in Schneider Electric products, allowing arbitrary script execution via a crafted URL. This affects various UPS models, PDU units, cooling products, and more with specific Network Management Cards (NMC) versions.
Understanding CVE-2021-22812
This section delves into the impact and technical details of the CVE-2021-22812 vulnerability.
What is CVE-2021-22812?
The vulnerability involves improper neutralization of input during web page generation, leading to cross-site scripting (XSS) attacks that could execute arbitrary scripts when a privileged account clicks on a malicious URL.
The Impact of CVE-2021-22812
This vulnerability impacts a wide range of Schneider Electric products, including UPS systems, PDUs, cooling products, and more, utilizing specific versions of Network Management Cards (NMC).
Technical Details of CVE-2021-22812
Explore the specific technical aspects of the CVE-2021-22812 vulnerability.
Vulnerability Description
The vulnerability arises from a lack of proper input neutralization during web page generation, enabling attackers to execute arbitrary scripts via specially crafted URLs.
Affected Systems and Versions
Products impacted include 1-Phase and 3-Phase Uninterruptible Power Supplies, APC Rack Power Distribution Units, Cooling Products like InRow Cooling systems, and various Network Management Cards (NMC) versions.
Exploitation Mechanism
Exploitation of this vulnerability occurs when a privileged user interacts with a malicious URL, triggering the execution of arbitrary scripts on the affected systems.
Mitigation and Prevention
Learn how to mitigate and prevent the exploitation of CVE-2021-22812.
Immediate Steps to Take
Immediately update and patch the affected Schneider Electric products to the latest firmware or software versions provided by the vendor.
Long-Term Security Practices
Implement robust security measures, such as network segregation, access controls, and regular security assessments to enhance the overall security posture.
Patching and Updates
Regularly check for security advisories from Schneider Electric and apply patches promptly to address any newly identified vulnerabilities.