Vulnerability Monitor

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CVE-2025-34069

An authentication bypass vulnerability exists in GFI Kerio Control 9.4.5 due to insecure default proxy configuration and weak access control in the GFIAgent service. The non-transparent proxy on TCP port 3128 can be used to forward unauthenticated requests to internal services such as GFIAgent, bypassing firewall restrictions and exposing internal management endpoints. This enables unauthenticated attackers to access the GFIAgent service on ports 7995 and 7996, retrieve the appliance UUID, and issue administrative requests via the proxy. Exploitation results in full administrative access to the Kerio Control appliance.

Published

2025-07-02T14:15:24.390

Last Modified

2025-09-17T14:01:51.437

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses

Type: Secondary
CWE-306

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gfi	kerio_control	9.4.5	Yes

References

https://ssd-disclosure.com/ssd-advisory-kerio-control-authentication-bypass-and-rce/ Exploit, Third Party Advisory ([email protected])
https://vulncheck.com/advisories/gfi-kerio-control-auth-bypass-rce Third Party Advisory ([email protected])