CVE-2025-11493CWE-494

CVE-2025-11493

High · published October 16, 2025

CVSS v3.1
8.8
EPSS
0%
Percentile
12.5
In the wild
Unconfirmed
What it is

🚨 An overlooked authenticity check means an attacker could swap legitimate updates with malicious ones! 🔥 Think of it like a delivery service that doesn’t check the quality of packages—anyone could slip in a time bomb instead of your new coffee maker. If the agent doesn't verify files, it's like letting a shady courier drop off anything they want! An attacker could perform a man-in-the-middle (MitM) attack, posing as the legitimate server and injecting harmful files into your system. This could lead to severe consequences, including data theft, system compromise, or malware installation. The stakes are high, and this vulnerability needs addressing ASAP!

Put simply

Think of it like a delivery service that doesn’t check the quality of packages—anyone could slip in a time bomb instead of your new coffee maker. If the agent doesn't verify files, it's like letting a shady courier drop off anything they want! This vulnerability occurs because the ConnectWise Automate Agent fails to fully verify the authenticity of files it downloads from the server, making it susceptible to malicious alterations during transmission.

What to do

An attacker could perform a man-in-the-middle (MitM) attack, posing as the legitimate server and injecting harmful files into your system. This could lead to severe consequences, including data theft, system compromise, or malware installation. The stakes are high, and this vulnerability needs addressing ASAP! To mitigate this risk, enforce HTTPS for all communications and ensure you’re running the latest version of the agent with the patch that addresses this vulnerability. Regularly audit your server settings and file integrity to stay secure. You've got this! By taking these steps, you're on the path to solid protection! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00225 · 12.5th percentile
Weakness
CWE-494 · Download of Code Without Integrity Check
Published
2025-10-16T23:15Z
Affected products (1)
ProductVersionsFixed in
connectwise/automate< 2025.92025.9
References (1)
EPSS history
Timeline
  • 16 OCT 19:00Z
    Self-Update Verification Mechanism Process in ConnectWise Automate
    cvelistv5