CVE-2021-35056 Explained : Impact and Mitigation

Unisys Stealth versions 5.1 before 5.1.025.0 and 6.0 before 6.0.055.0 are impacted by an unquoted Windows search path vulnerability in a scheduled task, allowing unintended executables to run.

Understanding CVE-2021-35056

This CVE record highlights a security issue in Unisys Stealth versions 5.1 and 6.0 where an unquoted Windows search path can lead to the execution of unintended executables.

What is CVE-2021-35056?

CVE-2021-35056 involves an unquoted Windows search path vulnerability in Unisys Stealth versions 5.1 and 6.0, potentially resulting in the execution of unauthorized executables.

The Impact of CVE-2021-35056

The impact of this vulnerability is significant as it may allow threat actors to run malicious executables through the unquoted Windows search path in a scheduled task, compromising system integrity.

Technical Details of CVE-2021-35056

This section delves into the technical aspects of the vulnerability, outlining its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

Unisys Stealth versions 5.1 and 6.0 are susceptible to an unquoted Windows search path issue in a scheduled task, creating a pathway for unintended executable files to be executed.

Affected Systems and Versions

The affected systems include Unisys Stealth 5.1 prior to 5.1.025.0 and 6.0 prior to 6.0.055.0 due to the unquoted Windows search path vulnerability in scheduled tasks.

Exploitation Mechanism

The vulnerability could be exploited by an attacker manipulating the unquoted Windows search path in the scheduled task to execute arbitrary executables, leading to a potential security breach.

Mitigation and Prevention

Outlined below are steps to mitigate the risks associated with CVE-2021-35056, emphasizing immediate actions and long-term security practices.

Immediate Steps to Take

Users are advised to apply vendor-supplied patches promptly after thorough testing to address the unquoted Windows search path vulnerability in scheduled tasks.

Long-Term Security Practices

Implementing secure coding practices, regular security assessments, and continuous monitoring of scheduled tasks can enhance overall system security and reduce the likelihood of similar vulnerabilities.

Patching and Updates

Regularly monitor for security updates from Unisys and apply patches promptly to secure against known vulnerabilities like the unquoted Windows search path issue in Unisys Stealth versions 5.1 and 6.0.