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.
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Wed, 02 Jul 2025 21:15:00 +0000
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Wed, 02 Jul 2025 14:00:00 +0000
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Description | 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. | |
Title | GFI Kerio Control GFIAgent Authentication Bypass via Proxy Forwarding | |
Weaknesses | CWE-306 | |
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cvssV4_0
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2025-07-02T13:44:41.778Z
Updated: 2025-07-02T20:26:39.881Z
Reserved: 2025-04-15T19:15:22.550Z
Link: CVE-2025-34069

Updated: 2025-07-02T20:26:32.196Z

Status : Awaiting Analysis
Published: 2025-07-02T14:15:24.390
Modified: 2025-07-03T15:13:53.147
Link: CVE-2025-34069

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