CVE-2025-39247: HikCentral Professional Auth Bypass Flaw

CVE-2025-39247 Overview

CVE-2025-39247 is an Access Control Vulnerability affecting certain versions of HikCentral Professional, a video management software platform from Hikvision. This vulnerability allows an unauthenticated user to obtain administrative permissions, potentially granting complete control over the affected system without any prior authentication.

Critical Impact

Unauthenticated attackers can obtain admin permissions, enabling full system compromise of HikCentral Professional deployments including access to video surveillance infrastructure.

Affected Products

• HikCentral Professional (specific vulnerable versions detailed in Hikvision security advisory)

Discovery Timeline

• 2025-08-29 - CVE-2025-39247 published to NVD
• 2025-08-29 - Last updated in NVD database

Technical Details for CVE-2025-39247

Vulnerability Analysis

This vulnerability is classified under CWE-284 (Improper Access Control), indicating a failure to properly restrict access to system resources. The flaw enables unauthenticated users to bypass authentication mechanisms entirely and obtain administrative privileges. Given the network-based attack vector with no user interaction required, this vulnerability presents a significant risk to organizations running vulnerable HikCentral Professional deployments.

The attack can be executed remotely over the network with low complexity, requiring no privileges or user interaction. While the vulnerability primarily impacts confidentiality through unauthorized access to sensitive data, the ability to obtain admin permissions could lead to broader system compromise.

Root Cause

The root cause is improper access control implementation within HikCentral Professional. The application fails to adequately verify user authentication and authorization before granting access to administrative functionality. This broken access control allows attackers to bypass authentication checks and directly access privileged operations intended only for authenticated administrators.

Attack Vector

The vulnerability is exploitable over the network without requiring authentication or user interaction. An attacker targeting a vulnerable HikCentral Professional installation can directly obtain administrative permissions by exploiting the access control weakness. The network-accessible nature of HikCentral Professional, typically deployed for enterprise video surveillance management, increases the attack surface significantly.

The vulnerability manifests in the access control mechanism of HikCentral Professional. Attackers can leverage this flaw to bypass authentication entirely and gain administrative access. For detailed technical information regarding exploitation, refer to the Hikvision Security Advisory.

Detection Methods for CVE-2025-39247

Indicators of Compromise

• Unauthorized administrative sessions or logins without corresponding authentication events
• Unusual API requests or administrative actions from unexpected IP addresses
• New administrator accounts created without legitimate authorization
• Configuration changes to HikCentral Professional settings made by unknown actors

Detection Strategies

• Monitor HikCentral Professional access logs for authentication bypass attempts and unauthorized admin access
• Implement network monitoring to detect unusual traffic patterns to HikCentral Professional management interfaces
• Deploy web application firewalls (WAF) to inspect and filter suspicious requests targeting HikCentral Professional endpoints
• Correlate administrative activity logs with authentication logs to identify discrepancies

Monitoring Recommendations

• Enable comprehensive logging for all HikCentral Professional administrative actions
• Configure alerts for new administrator account creation or privilege escalation events
• Monitor network connections to HikCentral Professional management ports from untrusted sources
• Establish baseline behavioral patterns for legitimate administrative activities to detect anomalies

How to Mitigate CVE-2025-39247

Immediate Actions Required

• Review the Hikvision Security Advisory for affected versions and available patches
• Restrict network access to HikCentral Professional management interfaces to trusted IP addresses only
• Audit existing administrator accounts and remove any unauthorized or suspicious accounts
• Implement network segmentation to isolate HikCentral Professional from untrusted networks

Patch Information

Hikvision has released security updates addressing this vulnerability. Organizations should consult the Hikvision Security Advisory for specific patch versions and upgrade instructions applicable to their HikCentral Professional deployment.

Workarounds

• Place HikCentral Professional behind a VPN or firewall with strict access controls until patching is complete
• Implement IP whitelisting to restrict management interface access to known administrator workstations
• Deploy additional authentication layers such as multi-factor authentication where supported
• Monitor all administrative access attempts with enhanced logging until the patch is applied

# Example firewall rule to restrict HikCentral Professional access
# Restrict management port access to trusted admin subnet only
iptables -A INPUT -p tcp --dport 443 -s 10.0.0.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP