CVE-2025-13375: IBM CCA RCE Vulnerability

CVE-2025-13375 Overview

CVE-2025-13375 is a critical command injection vulnerability affecting IBM Common Cryptographic Architecture (CCA) versions 7.5.52 and 8.4.82. This vulnerability allows an unauthenticated user to execute arbitrary commands with elevated privileges on the system, potentially leading to complete system compromise. The flaw is classified under CWE-250 (Execution with Unnecessary Privileges), indicating that the vulnerable component operates with more permissions than required, amplifying the impact of successful exploitation.

Critical Impact

Unauthenticated remote attackers can execute arbitrary commands with elevated privileges, potentially leading to complete system compromise of cryptographic infrastructure.

Affected Products

• IBM Common Cryptographic Architecture (CCA) version 7.5.52
• IBM Common Cryptographic Architecture (CCA) version 8.4.82

Discovery Timeline

• 2026-02-04 - CVE-2025-13375 published to NVD
• 2026-02-05 - Last updated in NVD database

Technical Details for CVE-2025-13375

Vulnerability Analysis

This vulnerability stems from improper privilege management in IBM Common Cryptographic Architecture (CCA), a critical component used for cryptographic operations in enterprise environments. The flaw allows unauthenticated users to inject and execute arbitrary commands that run with elevated system privileges. Given that CCA is typically deployed in sensitive environments handling cryptographic key management and secure processing, exploitation could compromise the entire cryptographic infrastructure.

The network-accessible nature of this vulnerability means attackers can exploit it remotely without requiring any authentication credentials or user interaction. Successful exploitation grants attackers the ability to impact confidentiality, integrity, and availability of the affected system.

Root Cause

The root cause is classified as CWE-250: Execution with Unnecessary Privileges. The vulnerable component executes with elevated permissions beyond what is necessary for its intended functionality. When combined with insufficient input validation, this allows attackers to inject commands that inherit these excessive privileges, resulting in arbitrary command execution with elevated access.

Attack Vector

The attack vector is network-based, requiring no authentication or user interaction. An attacker with network access to the vulnerable CCA installation can craft malicious requests that exploit the command injection flaw. The commands execute with the elevated privileges of the CCA process, potentially allowing:

• Full system compromise and lateral movement
• Extraction or manipulation of cryptographic keys
• Installation of persistent backdoors
• Disruption of cryptographic services

The vulnerability manifests in how the CCA processes certain input parameters. Attackers can inject system commands through these parameters, which are then executed by the underlying system with elevated privileges. For detailed technical information, refer to the IBM Support Page.

Detection Methods for CVE-2025-13375

Indicators of Compromise

• Unexpected process spawning from CCA-related services or executables
• Unusual network connections originating from systems running CCA components
• Command line arguments containing shell metacharacters or command chaining operators in CCA logs
• New user accounts or privilege escalation events on CCA systems

Detection Strategies

• Monitor CCA process behavior for spawning of child processes, especially command interpreters like cmd.exe, bash, or sh
• Implement network traffic analysis for unusual outbound connections from CCA infrastructure
• Review CCA application logs for malformed requests or injection patterns
• Deploy endpoint detection rules targeting command injection patterns in cryptographic service contexts

Monitoring Recommendations

• Enable verbose logging on CCA installations and forward logs to a centralized SIEM
• Set up alerts for process creation events where the parent process is a CCA component
• Monitor file system changes in CCA installation directories for unauthorized modifications
• Implement network segmentation monitoring to detect lateral movement from compromised CCA systems

How to Mitigate CVE-2025-13375

Immediate Actions Required

• Apply the security patch from IBM immediately by following the guidance at the IBM Support Page
• Restrict network access to CCA systems to only authorized hosts and networks
• Implement network segmentation to isolate cryptographic infrastructure from general network traffic
• Conduct an audit of systems running affected CCA versions to assess potential compromise

Patch Information

IBM has released security updates to address this vulnerability. Organizations should consult the IBM Support Page for detailed patch information and upgrade instructions. Given the critical severity and network-accessible nature of this vulnerability, patching should be prioritized immediately.

Workarounds

• If patching is not immediately possible, restrict network access to CCA services using firewall rules to allow only trusted IP addresses
• Implement strict network segmentation to limit exposure of CCA systems
• Deploy web application firewall (WAF) or intrusion prevention system (IPS) rules to detect and block command injection attempts
• Consider temporarily disabling network-accessible CCA services if they are not operationally critical until patches can be applied

Network access restrictions should follow the principle of least privilege:

# Example firewall rules to restrict CCA access (adjust ports as needed)
# Allow only trusted management network
iptables -A INPUT -p tcp --dport <cca_port> -s 10.0.1.0/24 -j ACCEPT

# Drop all other connections to CCA services
iptables -A INPUT -p tcp --dport <cca_port> -j DROP

# Log dropped connection attempts for monitoring
iptables -A INPUT -p tcp --dport <cca_port> -j LOG --log-prefix "CCA-BLOCKED: "