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  4. CVE 2025 34071 gfi kerio control unsigned system image upload
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Back to active CVEs
Critical · CVSS 9.4CVE-2025-34071

GFI Kerio Control Unsigned System Image Upload Root Code ExecutionCVE-2025-34071

Answer in brief

CVE-2025-34071 records a Critical severity (CVSS 9.4) vulnerability in GFI Kerio Control Unsigned System Image Upload Root Code Execution. The current sources do not mark it as known exploited. The current feed maps GFI Software/Kerio Control (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 2, 2025Updated Nov 3, 2026Source checked Nov 3, 2026First seen by HOL Nov 3, 2026Material review Nov 3, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps GFI Software/Kerio Control (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
GFI Software/Kerio Controlgeneric9.4.5Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for GFI Software/Kerio Control.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Jul 2, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 3, 2026

Sources and claim methodology

  • Source referencessd-disclosure.com
  • Source referencevulncheck.com
Upstream source description

A remote code execution vulnerability in GFI Kerio Control 9.4.5 allows attackers with administrative access to upload and execute arbitrary code through the firmware upgrade feature. The system upgrade mechanism accepts unsigned .img files, which can be modified to include malicious scripts within the upgrade.sh or disk image components. These modified upgrade images are not validated for authenticity or integrity, and are executed by the system post-upload, enabling root access.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Emerson Ovation Missing Authentication for Critical FunctionalityAlso CWE-306
  • NocoDB 0.300.0 before 2026.08.0 Unauthenticated OAuth Authorization Code CreationAlso CWE-306

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-306
Source
CVE List V5
Source checked
Nov 3, 2026
References
2 linked sources
Open source record