CVE-2025-49551: Adobe ColdFusion Privilege Escalation

CVE-2025-49551 Overview

CVE-2025-49551 is a Use of Hard-coded Credentials vulnerability (CWE-798) affecting Adobe ColdFusion that could result in privilege escalation. An attacker with adjacent network access could leverage this vulnerability to gain unauthorized access to sensitive systems or data without requiring any user interaction. The vulnerable component is restricted to internal IP addresses, limiting the attack surface to local network segments.

Critical Impact

Attackers on the same network segment can exploit hard-coded credentials to escalate privileges and gain unauthorized access to sensitive ColdFusion systems and data without user interaction.

Affected Products

• Adobe ColdFusion 2025.2 and earlier updates
• Adobe ColdFusion 2023.14 and earlier updates
• Adobe ColdFusion 2021.20 and earlier updates

Discovery Timeline

• 2025-07-08 - CVE-2025-49551 published to NVD
• 2025-07-11 - Last updated in NVD database

Technical Details for CVE-2025-49551

Vulnerability Analysis

This vulnerability stems from the use of hard-coded credentials embedded within Adobe ColdFusion's codebase. Hard-coded credentials represent a significant security risk as they cannot be changed by administrators and remain static across all installations. When discovered, these credentials provide attackers with a reliable method to authenticate to the system regardless of any password policies or security configurations implemented by the organization.

The vulnerability is particularly concerning because it enables privilege escalation, meaning an attacker who gains initial access can elevate their permissions to access restricted functionality or data. The adjacent network attack vector indicates that the vulnerability can be exploited from systems on the same local network segment, such as within a corporate LAN or through compromised internal systems.

Root Cause

The root cause of CVE-2025-49551 is the inclusion of hard-coded credentials within Adobe ColdFusion's application code. This practice violates secure development principles that mandate credentials should be stored securely and be configurable by administrators. Hard-coded credentials may have been introduced during development for testing purposes or as a backdoor for administrative access, but they create a permanent security weakness that cannot be remediated by end users without a vendor patch.

Attack Vector

An attacker on an adjacent network can exploit this vulnerability by utilizing the embedded hard-coded credentials to authenticate to the ColdFusion server. Since no user interaction is required and the attack complexity is low, an attacker simply needs network access to the vulnerable ColdFusion instance from within the same network segment. The restriction to internal IP addresses provides some mitigation by preventing direct exploitation from the internet, but internal threats, compromised workstations, or lateral movement scenarios remain viable attack paths.

The exploitation process involves:

1. Gaining access to the same network segment as the target ColdFusion server
2. Identifying the hard-coded credentials through reverse engineering or public disclosure
3. Authenticating to the ColdFusion administrative interface or API using these credentials
4. Leveraging the elevated access to exfiltrate data, modify configurations, or execute arbitrary code

Detection Methods for CVE-2025-49551

Indicators of Compromise

• Unexpected authentication attempts to ColdFusion administrative interfaces from internal IP addresses
• Successful logins using credentials that were not provisioned by legitimate administrators
• Administrative actions or configuration changes occurring outside normal business hours or change windows
• Unusual data access patterns or bulk data exports from ColdFusion-managed resources

Detection Strategies

• Monitor ColdFusion authentication logs for login attempts using non-standard or default accounts
• Implement network segmentation monitoring to detect lateral movement toward ColdFusion servers
• Deploy file integrity monitoring on ColdFusion configuration files to detect unauthorized changes
• Establish baseline behavior for ColdFusion administrative access and alert on anomalies

Monitoring Recommendations

• Enable verbose logging on ColdFusion servers and centralize logs to a SIEM platform
• Configure alerts for authentication events from unexpected internal IP ranges
• Monitor for new user account creation or privilege modifications within ColdFusion
• Track network connections to ColdFusion administrative ports from internal systems

How to Mitigate CVE-2025-49551

Immediate Actions Required

• Apply the security update from Adobe as documented in APSB25-69 immediately
• Restrict network access to ColdFusion servers using firewall rules and network segmentation
• Audit ColdFusion authentication logs for any suspicious activity prior to patching
• Review and validate all administrative accounts and their associated privileges

Patch Information

Adobe has released security updates addressing this vulnerability. Organizations should upgrade to the following versions:

• ColdFusion 2025: Update 3 or later
• ColdFusion 2023: Update 15 or later
• ColdFusion 2021: Update 21 or later

Refer to the Adobe ColdFusion Security Advisory APSB25-69 for complete patch information and download links.

Workarounds

• Implement strict network segmentation to isolate ColdFusion servers from general user networks
• Apply IP-based access controls to restrict administrative interface access to authorized management stations only
• Enable multi-factor authentication for all ColdFusion administrative access where supported
• Monitor all authentication attempts to ColdFusion servers and investigate anomalies promptly

# Example: Restrict ColdFusion admin access using iptables
# Allow admin access only from specific management subnet
iptables -A INPUT -p tcp --dport 8500 -s 10.0.100.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 8500 -j DROP

# Log all connection attempts to admin port for monitoring
iptables -A INPUT -p tcp --dport 8500 -j LOG --log-prefix "CF-Admin-Access: "