CVE-2021-44201 Explained : Impact and Mitigation

Cross-site scripting (XSS) vulnerability in notification pop-ups of Acronis Cyber Protect 15 before build 28035 affecting both Windows and Linux.

Understanding CVE-2021-44201

This CVE discloses a critical XSS vulnerability in Acronis Cyber Protect 15 notification pop-ups.

What is CVE-2021-44201?

Cross-site scripting (XSS) is possible in notification pop-ups of Acronis Cyber Protect 15 versions earlier than build 28035.

The Impact of CVE-2021-44201

This vulnerability could allow malicious actors to execute arbitrary scripts in the context of an unsuspecting user's web session, leading to potential data theft or unauthorized actions.

Technical Details of CVE-2021-44201

This section outlines the technical aspects of the CVE in detail.

Vulnerability Description

The vulnerability enables attackers to inject and execute malicious scripts in the notification pop-ups of Acronis Cyber Protect 15.

Affected Systems and Versions

Product: Acronis Cyber Protect 15
Affected Platforms: Windows, Linux
Affected Versions: < 28035

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting specially crafted scripts into the notification pop-ups, which are then executed in the context of the user's browser.

Mitigation and Prevention

Understanding how to mitigate and prevent exploits of this vulnerability is crucial.

Immediate Steps to Take

Update Acronis Cyber Protect 15 to build 28035 or later to fix the XSS vulnerability.
Educate users about the risks of clicking on suspicious links or interacting with unknown pop-ups.

Long-Term Security Practices

Implement regular security training sessions to raise awareness about common threats like XSS attacks.
Enable web application firewall (WAF) rules to detect and block suspicious scripts.

Patching and Updates

Regularly monitor security advisories from Acronis and apply patches promptly to address known vulnerabilities.