CVE-2023-29486

An issue was discovered in Heimdal Thor agent versions 3.4.2 and before 3.7.0 on Windows, allows attackers to bypass USB access restrictions, execute arbitrary…

Critical · published December 21, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
63.4
In the wild
Unconfirmed
What it is

🚨 Imagine a sneaky thief bypassing your security system to access everything inside your house! That's exactly what attackers can do with Heimdal Thor agent versions 3.4.2 and earlier on Windows, thanks to a critical flaw that allows them to bypass USB access restrictions. 🔥 Think of the Heimdal USB control solution as a security guard at a busy airport. If the airport itself has malfunctioning metal detectors, the guard can’t stop dangerous items from getting through, no matter how diligent they are! This vulnerability puts an organization's sensitive data at risk, allowing attackers to execute arbitrary code and access critical information through their Next-Gen Antivirus component. Picture this: a malicious actor slipping through your defenses and gaining access to sensitive files, potentially wreaking havoc on your systems!

Put simply

Think of the Heimdal USB control solution as a security guard at a busy airport. If the airport itself has malfunctioning metal detectors, the guard can’t stop dangerous items from getting through, no matter how diligent they are! The issue arises from the Heimdal Thor agent's inability to enforce USB access restrictions due to limitations in Microsoft's Windows detection capabilities. This allows attackers to exploit the system and run unauthorized code once they connect a USB device.

What to do

This vulnerability puts an organization's sensitive data at risk, allowing attackers to execute arbitrary code and access critical information through their Next-Gen Antivirus component. Picture this: a malicious actor slipping through your defenses and gaining access to sensitive files, potentially wreaking havoc on your systems! To secure your systems, urgently update to Heimdal Thor agent version 3.7.0 or later. Additionally, implement strong USB access controls and monitor any unauthorized devices connecting to your systems. You've got this! With these steps, you can fortify your defenses and ensure your organization stays safe! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01030 · 63.4th percentile
Published
2023-12-21T00:00Z
EPSS history
Timeline
  • 21 DEC 00:00Z
    An issue was discovered in Heimdal Thor agent versions 3.4.2 and before 3.7.0 on Windows, allows attackers to bypass USB access restrictions, execute arbitrary…
    cvelistv5