CVE-2023-29486
Heimdalsecurity Thor remote code execution
- Published21 Dec 2023
Description
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 code, and obtain sensitive information via Next-Gen Antivirus component. NOTE: Heimdal argues that the limitation described here is a Microsoft Windows issue, not a Heimdal specific vulnerability. The USB control solution by Heimdal is meant to manage Microsoft Windows native USB restrictions. They maintain that their solution functions as a management layer over Windows settings and is not to blame for limitations in Windows' detection capabilities.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
Frequently asked
Is CVE-2023-29486 being actively exploited?
CVE-2023-29486 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.03%.
How severe is CVE-2023-29486?
CVE-2023-29486 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.03% probability of exploitation.
Which products are affected by CVE-2023-29486?
Affected products include Heimdalsecurity Thor.
How do I fix CVE-2023-29486?
Upgrade affected software to a fixed version, for example Heimdalsecurity Thor 3.7.0 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2023-29486 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.