CVE-2026-84250 in Guardium Data Protection
Summary
by MITRE • 10/08/2026
IBM Guardium Data Protection 12.2 is vulnerable due to weak cryptographic protection and a hard-coded recovery key in the pkcrypto passkey component. A local attacker could exploit this vulnerability to recover the root password and gain root privileges.
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Analysis
by VulDB Data Team • 10/08/2026
The IBM Guardium Data Protection version 12.2 contains a critical security flaw within its pkcrypto passkey component, characterized by weak cryptographic protection mechanisms and the presence of a hard-coded recovery key. This architectural weakness fundamentally undermines the integrity of the authentication system designed to protect sensitive data management operations. The vulnerability stems from the implementation choice to embed static credentials directly into the software binary or configuration files rather than deriving them dynamically through secure key derivation functions tied to unique device identifiers or user-specific secrets. Such practices violate fundamental principles of cryptographic security, where keys must remain confidential and unpredictable to prevent unauthorized access. By relying on a fixed recovery key that is known to attackers or easily discoverable through reverse engineering, the system fails to provide adequate isolation between administrative privileges and standard operational accounts.
From an offensive perspective, this vulnerability allows for privilege escalation from a local user account to root-level access without requiring valid credentials for the target account. An attacker with local shell access can exploit the hard-coded key to decrypt or bypass authentication checks associated with the pkcrypto module. This effectively neutralizes the security boundary intended by the operating system and application layer, granting the adversary full control over the underlying infrastructure. The ability to recover the root password means that any user who gains initial foothold on the host machine can escalate their privileges trivially, leading to complete compromise of the data protection appliance. This scenario aligns with common attack patterns where adversaries seek to move from low-privilege access to high-privilege control for persistent installation or lateral movement within a network environment.
The operational impact of this vulnerability is severe, as IBM Guardium serves as a central component in many enterprise environments for monitoring and protecting database activity. Compromise of the root account allows an attacker to disable logging mechanisms, alter audit trails, exfiltrate sensitive data stored or monitored by the system, and install additional malware such as rootkits that persist across reboots. Since Guardium often handles compliance-related data processing, a breach could also result in significant regulatory violations under frameworks like GDPR, HIPAA, or PCI-DSS due to the loss of integrity and confidentiality guarantees provided by the platform. The presence of this flaw effectively renders the security controls managed by Guardium unreliable if an attacker achieves local access first, as they can manipulate the very tools designed to detect such intrusions.
This vulnerability is best classified under CWE-798: Use of Hard-coded Credentials, which describes situations where authentication credentials are embedded directly into source code or configuration files rather than being stored securely in a vault or generated dynamically. Additionally, it relates to CWE-326: Inadequate Encryption Strength, as the cryptographic protection provided by the pkcrypto component is insufficient against determined adversaries capable of performing static analysis on the application binaries. From an adversary tactics perspective, this flaw facilitates techniques associated with MITRE ATT&CK T1078: Valid Accounts and specifically T1543.002: Create or Modify System Process: Windows Service if applied to similar service-based authentication mechanisms, allowing for persistence through compromised administrative accounts. The exploitation path typically involves local privilege escalation vectors where the attacker leverages system-level access to interact with cryptographic modules that trust static keys over dynamic verification processes.
Mitigation strategies must prioritize immediate remediation by applying vendor-supplied patches that replace hard-coded credentials with secure, dynamically generated alternatives or integrate with external key management systems such as HashiCorp Vault or AWS KMS. Until patching is feasible, organizations should enforce strict network segmentation to limit local access to Guardium appliances and implement rigorous host-based intrusion detection systems capable of detecting anomalous authentication attempts involving the pkcrypto component. Access controls must be tightened using principle of least privilege, ensuring that only essential administrators have shell access to these critical servers. Furthermore, regular audits of cryptographic implementations should be conducted to identify other instances where weak algorithms or static keys might compromise system integrity across the broader security infrastructure.