CVE-2023-53954 ActFax 10.10 Unquoted Path Services Privilege Escalation Vulnerability
Local attackers can escalate privileges by exploiting an unquoted service path in ActFax to execute malicious code with elevated system access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-53954?
CVE-2023-53954 is a high-severity vulnerability in ActFax, published on 19 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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 access when the service restarts.
Weakness: CWE-428
Which versions are affected by CVE-2023-53954?
How do I fix CVE-2023-53954?
No fix has been published for CVE-2023-53954 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-53954 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53954 exists.
Sources
Also known as GHSA-6hw7-52j7-xmq2.