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9.8

IBM Guardium Data Protection can be tricked to run code

CVE-2026-82340 · published 24 days ago
Summary

The Guardium Data Protection system listens on TCP port 16017 and does not verify who sends data. A remote attacker who can reach that port could send specially crafted messages that cause the appliance to execute unwanted code. Limit network access to this port and apply the latest security updates from IBM as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm guardium data protection 12.2
Original advisory text
IBM Guardium Data Protection is affected by multiple vulnerabilities.
IBM Guardium Data Protection 12.2 is vulnerable to unauthenticated insecure deserialization and attacker-controlled reflective method dispatch in the Change Audit System (CAS) listener. A network attacker able to reach TCP port 16017 may submit crafted serialized messages and potentially cause unintended code execution in the Guardium appliance.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-94Code Injection
Timeline
Published18 Sep 2026
Updated11 Oct 2026
First seen18 Sep 2026
Sources
CVE-2026-82340 · NVD
CVE-2026-82340 · MITRE
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