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TI-2025-24237 Aliases CVE-2025-34069GHSA-rf49-98vq-w8qg

GFI Kerio Control GFIAgent Authentication Bypass via Proxy Forwarding

Priority HIGH 74CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00766 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GFI SoftwareKerio Control9.4.5—No fix listedCNA
  • Kerio Control VendorGFI Software Affected 9.4.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gfi:kerio_control:9.4.5:-:*:*:*:*:*:*9.4.5VulnerableGFI Software
  • cpe:2.3:a:gfi:kerio_control:9.4.5:-:*:*:*:*:*:* Versions 9.4.5 Vulnerable ·GFI Software

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-34069
  2. 2026-10-03 Alias added: GHSA-rf49-98vq-w8qg

References

Exploit 1

  • TI-2025-24238 GFI Kerio Control GFIAgent Missing Authentication on Administrative Interfaces CVSS 4.0CRITICAL 10.0
  • TI-2025-24239 GFI Kerio Control Unsigned System Image Upload Root Code Execution CVSS 4.0CRITICAL 9.4
  • TI-2024-35379 HTTP response splitting in GFI Software Kerio Control CVSS 3.1HIGH 8.8
  • TI-2019-12344 A DOM based XSS in GFI Kerio Control v9.3.0 allows embedding of malicious code and… CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences