Cyber Resilience

CVE-2023-38354

High

Published: 19 September 2023

Published
19 September 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0597 90.9th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-38354 is a high-severity Improper Certificate Validation (CWE-295) vulnerability in Minitool Shadowmaker. Its CVSS base score is 8.1 (High).

Operationally, ranked in the top 9.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

MiniTool Shadow Maker version 4.1 is affected by an insecure installation process that stems from improper certificate validation, tracked as CWE-295. The flaw permits remote code execution when the installer communicates over the network without adequate validation of update or component sources.

An attacker positioned to perform a man-in-the-middle attack can intercept installation traffic and supply malicious payloads, achieving code execution with high impact on confidentiality, integrity, and availability. The attack requires no user interaction or prior credentials but depends on network adjacency and elevated attack complexity as reflected in its CVSS 8.1 rating.

The two provided references point to the same researcher page and contain no advisory details, patch information, or mitigation guidance. The associated EPSS score has remained flat at 0.0597 with no material increase since disclosure.

EU & UK References

Vulnerability details

MiniTool Shadow Maker version 4.1 contains an insecure installation process that allows attackers to achieve remote code execution through a man in the middle attack.

CWE(s)

Related Threats

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

Affected Assets

minitool
shadowmaker
4.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-295

When certificates are used to establish component provenance, the control requires correct certificate validation procedures.

addresses: CWE-295

Mandates approved trust anchors and issuance policies, directly preventing acceptance of unvalidated or untrusted certificates.

addresses: CWE-295

Correct system time is required for proper enforcement of certificate notBefore/notAfter dates and time-based revocation checks.

References