CVE-2016-20057

NETGATE Registry Cleaner build 16.0.205 Unquoted Service Path Privilege Escalation

NETGATE Registry Cleaner build 16.0.205 contains an unquoted service path vulnerability in the NGRegClnSrv service that allows local attackers to escalate privileges by exploiting the service binary path. Attackers can place a malicious executable in the unquoted path and trigger service restart or system reboot to execute code with LocalSystem privileges.

Affected

Netgate · NETGATE Registry Cleaner

CVSS v4.0 VULNCHECK

8.5 HIGHCVSS: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

CVSS v3.1 VULNCHECK

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

EPSS

0.61% chance of exploitation in the next 30 days, 48th percentile

Published

2026-04-04

Updated

2026-04-06

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/40539

Security advisories

• https://www.vulncheck.com/advisories/netgate-registry-cleaner-build-unquoted-service-path…
• http://www.netgate.sk
• http://www.netgate.sk/download/download.php?id=4

References

• CVE Record
• NVD entry