CVE-2025-70364: Kiamo RCE Vulnerability Explained

CVE-2025-70364 Overview

CVE-2025-70364 is an arbitrary code execution vulnerability discovered in Kiamo, a customer relationship management (CRM) platform. The vulnerability allows authenticated administrative attackers to execute arbitrary PHP code on the server, potentially leading to complete system compromise.

Critical Impact
Authenticated administrators can execute arbitrary PHP code on the server, enabling full server compromise, data theft, and lateral movement within the network.

Affected Products

Kiamo versions prior to 8.4

Discovery Timeline

2026-04-09 - CVE CVE-2025-70364 published to NVD
2026-04-09 - Last updated in NVD database

Technical Details for CVE-2025-70364

Vulnerability Analysis

This vulnerability represents a Code Injection flaw in the Kiamo CRM platform. The issue allows authenticated users with administrative privileges to inject and execute arbitrary PHP code on the underlying server. While the requirement for administrative authentication reduces the attack surface, the impact remains severe as it enables complete server-side code execution.

In enterprise environments, administrative accounts may be compromised through credential theft, phishing, or insider threats. Once an attacker gains administrative access, this vulnerability provides a direct path to remote code execution, bypassing typical application-level security controls.

Root Cause

The root cause of this vulnerability stems from improper input validation and insufficient security controls within the administrative interface. The application fails to properly sanitize or restrict PHP code that can be supplied through administrative functions, allowing direct execution of attacker-controlled code on the server.

Attack Vector

The attack requires the adversary to first obtain valid administrative credentials for the Kiamo platform. Once authenticated, the attacker can leverage the vulnerable functionality to submit malicious PHP code that the server will execute. This could be accomplished through various administrative features that improperly handle user input, such as template editors, configuration interfaces, or plugin management systems.

The vulnerability allows attackers to execute system commands, access sensitive files, establish persistence mechanisms, or pivot to other systems within the network. For detailed technical information about the exploitation mechanism, refer to the GitHub Advisory for CVE-2025-70364.

Detection Methods for CVE-2025-70364

Indicators of Compromise

Unexpected PHP files created in web-accessible directories or temporary folders
Unusual process spawning from the web server process (e.g., cmd.exe, /bin/sh, bash)
Administrative login attempts from unusual IP addresses or at unusual times
Web server logs showing requests with PHP code patterns in parameters or POST bodies

Detection Strategies

Monitor authentication logs for administrative account access anomalies
Implement file integrity monitoring on the Kiamo installation directory
Deploy web application firewall (WAF) rules to detect PHP code injection patterns
Review web server access logs for suspicious parameter values containing PHP functions like eval(), exec(), system(), or passthru()

Monitoring Recommendations

Enable verbose logging for all administrative actions within Kiamo
Configure SIEM alerts for new file creation events in the web application directory
Monitor outbound network connections from the web server for command-and-control activity
Implement behavioral analysis to detect post-exploitation activities such as privilege escalation attempts

How to Mitigate CVE-2025-70364

Immediate Actions Required

Upgrade Kiamo to version 8.4 or later immediately
Audit all administrative accounts and enforce strong authentication mechanisms
Review access logs for any suspicious administrative activity prior to patching
Implement network segmentation to limit the impact of potential compromise

Patch Information

The vulnerability has been addressed in Kiamo version 8.4. Organizations should upgrade to this version or later to remediate the vulnerability. For additional information about the vendor and their security practices, visit the Kiamo Security Overview.

Workarounds

Restrict administrative access to trusted IP addresses using firewall rules or application-level access controls
Implement multi-factor authentication (MFA) for all administrative accounts
Deploy a web application firewall (WAF) with rules to block PHP code injection attempts
Disable or remove any unnecessary administrative features until patching is complete

bash

# Example: Restrict administrative access by IP using .htaccess
<Files "admin/*">
    Require ip 10.0.0.0/8
    Require ip 192.168.1.0/24
</Files>