Cyber Resilience

CVE-2023-53954

HighPublic PoC

Published: 19 December 2025

Published
19 December 2025
Modified
15 April 2026
KEV Added
—
Patch
—
CVSS Score v4 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0012 2.1th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-53954 is a high-severity Unquoted Search Path or Element (CWE-428) vulnerability in Actfax (inferred from references). Its CVSS base score is 8.5 (High).

Operationally, ranked at the 2.1th 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

ActFax 10.10 contains an unquoted service path vulnerability that allows local attackers to potentially escalate privileges by exploiting the ActiveFaxServiceNT service configuration. Attackers with write permissions to Program Files directories can inject a malicious ActSrvNT.exe executable to gain elevated system…

more

access when the service restarts.

CWE(s)
CWE-428

Related Threats

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

Affected Assets

Actfax
—
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

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

References