CVE-2024-20767, a severe improper access control vulnerability in Adobe ColdFusion, has been actively exploited and is now listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. This flaw allows attackers to bypass security restrictions, gaining unauthorized access to sensitive resources or the ability to modify configurations.

Technical Summary

CVE-2024-20767 stems from improper access control mechanisms. Exploitation allows unauthorized attackers to gain access to restricted resources, modify sensitive files, or perform privilege escalation.

This vulnerability is particularly severe due to the widespread use of ColdFusion in web application development and the potential for attackers to exploit exposed administration interfaces.

Key risks:

• Unauthorized access to sensitive configurations and files.
• Manipulation of critical ColdFusion resources or system behavior.
• Increased susceptibility to further compromises or data breaches in enterprise environments.

Recommendations

Update ColdFusion to the latest secure versions:

• For ColdFusion 2023, update to Update 7 or later.
• For ColdFusion 2021, update to Update 13 or later.

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