CVE-2023-53954

8.5 highEPSS 0.1%

High (8.5). EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.5 high

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

CVSS 3.1

6.2 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWE: CWE-428
Published: 2025-12-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://www.actfax.com
https://www.exploit-db.com/exploits/51332
https://www.vulncheck.com/advisories/actfax-unquoted-path-services-privilege-escalation-vulnerability

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