Server-Side Template Injection Vulnerability in Remote Support and Privileged Remote Access by BeyondTrust

CVE-2025-5309

What is CVE-2025-5309?

CVE-2025-5309 is a severe vulnerability affecting the chat feature within BeyondTrust's Remote Support (RS) and Privileged Remote Access (PRA) products. This vulnerability is classified as a Server-Side Template Injection (SSTI), which occurs when an application processes untrusted input through a template engine in the server's environment. Through this flaw, attackers can potentially execute arbitrary code on the server, compromising the integrity and confidentiality of the system. The critical purpose of the RS and PRA solutions is to facilitate secure remote support and access for IT administrators, enabling them to assist users and manage resources effectively. With CVE-2025-5309, an attacker may gain a foothold within an organization's network, leading to severe security repercussions.

Potential impact of CVE-2025-5309

1. Remote Code Execution: The inherent nature of SSTI vulnerabilities allows attackers to execute arbitrary code on the server. This could lead to unauthorized access, data manipulation, or service disruptions, emphasizing the criticality of this vulnerability.

2. Compromise of Sensitive Information: Exploiting this vulnerability may result in a breach of sensitive data, as attackers could access confidential user information, configuration details, or security credentials, potentially facilitating further attacks.

3. Increased Attack Surface: The vulnerability may serve as an entry point for larger-scale attacks within an organization’s infrastructure. Once exploited, it could allow attackers to pivot to other systems, leading to a broader compromise and escalating risk to the entire network.

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CVE-2025-5309

BeyondTrust Tools RCE Vulnerability Allows Attackers Execute Arbitrary Code

A newly disclosed vulnerability in BeyondTrust’s Remote Support (RS) and Privileged Remote Access (PRA) products has raised alarms across the cybersecurity community.

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