CVE-2021-41790 : What You Need to Know

An issue was discovered in Hyland org.alfresco:alfresco-content-services through 7.0.1.2. Script Action execution allows executing scripts uploaded outside of the Data Dictionary. This could allow a logged-in attacker to execute arbitrary code inside a sandboxed environment.

Understanding CVE-2021-41790

This CVE identifies a security vulnerability in Alfresco Content Services that could enable an attacker to execute arbitrary code within a restricted environment.

What is CVE-2021-41790?

CVE-2021-41790 is a security flaw in the Hyland Alfresco Content Services platform that permits the execution of scripts uploaded from locations external to the Data Dictionary, potentially leading to the execution of unauthorized code by a malicious actor with logged-in access.

The Impact of CVE-2021-41790

The exploitation of this vulnerability could result in an attacker being able to execute malicious scripts within a sandboxed environment, compromising the confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2021-41790

This section delves into the specifics of the vulnerability in Alfresco Content Services.

Vulnerability Description

The vulnerability in Hyland org.alfresco:alfresco-content-services up to version 7.0.1.2 allows for the execution of scripts that are not stored within the Data Dictionary, enabling potential arbitrary code execution.

Affected Systems and Versions

Product: Alfresco Content Services
Vendor: Hyland
Versions affected: up to 7.0.1.2

Exploitation Mechanism

The vulnerability arises from the ability of a logged-in attacker to upload and execute scripts from locations outside the Data Dictionary, bypassing normal security controls.

Mitigation and Prevention

In response to CVE-2021-41790, it is crucial to take immediate and long-term security measures.

Immediate Steps to Take

Update to the latest patched version provided by the vendor.
Restrict access to the Alfresco Content Services platform to authorized users only.

Long-Term Security Practices

Regularly review and update security configurations.
Implement strict validation mechanisms for uploaded scripts.

Patching and Updates

Ensure timely application of security patches and updates released by the vendor to mitigate the vulnerability effectively.