Cyber Resilience

CVE-2023-29486

CriticalPublic PoC

Published: 21 December 2023

Published
21 December 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0012 31.1th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-29486 is a critical-severity Inefficient Regular Expression Complexity (CWE-1333) vulnerability in Heimdalsecurity Thor. Its CVSS base score is 9.8 (Critical).

Operationally, ranked at the 31.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

heimdalsecurity
thor
≤ 3.7.0 · ≤ 2.6.9

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References