Common Weakness Enumeration

    CWE Definition / CWE-350

    CWE-350: Reliance on Reverse DNS Resolution for a Security-Critical Action

    The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it does not properly ensure that the IP address is truly associated with the hostname.

    Published:19 Jul 2006
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-290: Authentication Bypass by Spoofing

    CWE-807: Reliance on Untrusted Inputs in a Security Decision

    CWE-923: Improper Restriction of Communication Channel to Intended Endpoints