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CWE-304

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CWE-304

Missing Critical Step in Authentication

Base
Draft

Description

The product implements an authentication technique, but it skips a step that weakens the technique.

Authentication techniques should follow the algorithms that define them exactly, otherwise authentication can be bypassed or more easily subjected to brute force attacks.

Common Consequences

Scope

Access Control
Integrity
Confidentiality

Impact

Bypass Protection Mechanism, Gain Privileges or Assume Identity, Read Application Data, Execute Unauthorized Code or Commands

CVE-2004-2163

Shared secret not verified in a RADIUS response packet, allowing authentication bypass by spoofing server replies.

CVE-2005-3327

Chain: Authentication bypass by skipping the first startup step as required by the protocol.

Applicable Platforms

Not Language-Specific

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