BeyondTrust Remote Support/Privileged Remote Access up to 24.2.4/24.3.4/25.1.1 Chat code injection

Summaryinfo

A vulnerability described as critical has been identified in BeyondTrust Remote Support and Privileged Remote Access up to 24.2.4/24.3.4/25.1.1. Affected is an unknown function of the component Chat. Such manipulation with the input {{implode(null,array_map(chr(99).chr(104).chr(114),[105,100]))}} leads to code injection. This vulnerability is traded as CVE-2025-5309. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in BeyondTrust Remote Support and Privileged Remote Access up to 24.2.4/24.3.4/25.1.1 and classified as very critical. Affected by this issue is an unknown code block of the component Chat. The manipulation with the input value {{implode(null,array_map(chr(99).chr(104).chr(114),[105,100]))}} leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The chat feature within Remote Support (RS) and Privileged Remote Access (PRA) is vulnerable to a Server-Side Template Injection vulnerability which can lead to remote code execution.

The weakness was shared by Jorren Geurts as bt25-04. The advisory is available at beyondtrust.com. This vulnerability is handled as CVE-2025-5309 since 05/28/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/22/2025). This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18420). linkedin.com is providing further details. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Remote Access Software

Vendor

• BeyondTrust

Name

• Privileged Remote Access
• Remote Support

Version

• 24.2.0
• 24.2.1
• 24.2.2
• 24.2.3
• 24.2.4
• 24.3.0
• 24.3.1
• 24.3.2
• 24.3.3
• 24.3.4
• 25.1.0
• 25.1.1

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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