CWE-940 - Improper Verification of Source of a Communication Channel
- Abstraction:Base
- Structure:Simple
- Status:Incomplete
- Release Date:2014-02-19
- Latest Modification Date:2024-11-19
Weakness Name
Improper Verification of Source of a Communication Channel
Description
The product establishes a communication channel to handle an incoming request that has been initiated by an actor, but it does not properly verify that the request is coming from the expected origin.
When an attacker can successfully establish a communication channel from an untrusted origin, the attacker may be able to gain privileges and access unexpected functionality.
Common Consequences
Scope: Access Control, Other
Impact: Gain Privileges or Assume Identity, Varies by Context
Notes: An attacker can access any functionality that is inadvertently accessible to the source.
Related Weaknesses
CWE-346Origin Validation Error
CWE-923Improper Restriction of Communication Channel to Intended Endpoints