CVE-2025-5309

Name: CVE-2025-5309
Creator: NVD / NIST
Published: 2025-06-16T17:15:29.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.6/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2025-5309 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

8.6/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.88%

54.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Beyondtrust	Privileged Remote Access	>= 24.2.2, <= 24.2.4
Beyondtrust	Privileged Remote Access	>= 24.3.1, < 24.3.4
Beyondtrust	Privileged Remote Access	25.1.1
Beyondtrust	Remote Support	>= 24.2.2, <= 24.2.4
Beyondtrust	Remote Support	>= 24.3.1, < 24.3.4
Beyondtrust	Remote Support	25.1.1

References

https://www.beyondtrust.com/trust-center/security-advisories/bt25-04Mitigation, Vendor Advisory

Timeline

Published: Jun 16, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-5309?

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.

How severe is CVE-2025-5309?

CVE-2025-5309 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2025-5309?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-5309?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST