CVE-2021-27436 Explained : Impact and Mitigation
Discover the details of CVE-2021-27436 affecting Advantech's WebAccess/SCADA versions 9.0 and earlier. Learn about the impact, technical aspects, and mitigation strategies for this cross-site scripting vulnerability.
WebAccess/SCADA Versions 9.0 and prior contain a vulnerability that allows for cross-site scripting, potentially leading to malicious activities. Here's what you need to know about CVE-2021-27436.
Understanding CVE-2021-27436
This section provides insight into the nature and impact of the CVE-2021-27436 vulnerability.
What is CVE-2021-27436?
CVE-2021-27436 pertains to a cross-site scripting flaw in Advantech's WebAccess/SCADA versions prior to 9.0. This vulnerability could enable attackers to execute malicious scripts on a targeted user's browser.
The Impact of CVE-2021-27436
The vulnerability in WebAccess/SCADA allows attackers to inject and execute malicious JavaScript code, potentially leading to cookie/session token hijacking, redirection to harmful websites, and unintended browser actions.
Technical Details of CVE-2021-27436
Explore the specific technical aspects of CVE-2021-27436 to better understand its implications.
Vulnerability Description
The improper neutralization of input in WebAccess/SCADA versions 9.0 and earlier facilitates cross-site scripting attacks, posing a serious security risk.
Affected Systems and Versions
Advantech's WebAccess/SCADA versions 9.0 and prior are affected by this vulnerability, leaving systems running these versions exposed to exploitation.
Exploitation Mechanism
Attackers can exploit this flaw by injecting malicious JavaScript code into web pages viewed by unsuspecting users, leading to various malicious activities.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-27436 and prevent potential security breaches.
Immediate Steps to Take
Users and administrators should implement immediate measures to safeguard systems and data from exploitation.
Long-Term Security Practices
Establishing robust security practices and protocols can help prevent similar vulnerabilities in the future and enhance overall cybersecurity posture.
Patching and Updates
Regularly applying patches and updates provided by Advantech is crucial to addressing the CVE-2021-27436 vulnerability and enhancing system security.