CVE-2021-32579 : Exploit Details and Defense Strategies

Acronis True Image prior to 2021 Update 4 for Windows and Acronis True Image prior to 2021 Update 5 for macOS had a vulnerability that allowed an unauthenticated attacker with local code execution ability to tamper with the micro-service API.

Understanding CVE-2021-32579

This section will provide details on the impact, technical description, affected systems, exploitation mechanism, mitigation steps, and more related to CVE-2021-32579.

What is CVE-2021-32579?

CVE-2021-32579 is a vulnerability in Acronis True Image versions prior to 2021 Update 4 for Windows and prior to 2021 Update 5 for macOS. It enables an attacker with local code execution ability to alter the micro-service API without authentication.

The Impact of CVE-2021-32579

The impact of this vulnerability is that unauthorized attackers can manipulate the micro-service API, potentially leading to unauthorized access, data tampering, or further exploitation of the affected systems.

Technical Details of CVE-2021-32579

This section dives into the specifics of the vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Acronis True Image versions prior to 2021 Update 4 for Windows and prior to 2021 Update 5 for macOS allows unauthenticated attackers to interfere with the micro-service API.

Affected Systems and Versions

The affected systems include Acronis True Image versions before 2021 Update 4 for Windows and before 2021 Update 5 for macOS.

Exploitation Mechanism

Attackers with local code execution ability can exploit this vulnerability to manipulate the micro-service API without authentication.

Mitigation and Prevention

In this section, we discuss the immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are advised to update their Acronis True Image software to versions 2021 Update 4 for Windows and 2021 Update 5 for macOS. Additionally, restricting network access to affected systems can help mitigate the risk.

Long-Term Security Practices

Maintaining up-to-date software, implementing least privilege access, and conducting regular security audits are crucial long-term security practices to prevent similar vulnerabilities.

Patching and Updates

Acronis has released updates to address this vulnerability. Users should promptly apply these patches to secure their systems against potential exploitation.