121 – HTTP parameter pollution
Description
The application allows extra parameters injection to HTTP communication protocol, this can cause unexpected behavior on the server.
Impact
- Make the application to read malicious parameters and have a wrong behavior. - Cause unexpected behaviors on the application.
Recommendation
Make validations to guarantee that the quantity of received parameters is equal to the expected parameters on the server.
Threat
Anonymous attacker from the Internet.
Expected Remediation Time
Score 4.0
Default score using CVSS 4.0. It may change depending on the context of the src.
Base 4.0
- Attack vector: N
- Attack complexity: L
- Attack Requirements: N
- Privileges required: L
- User interaction: N
- Confidentiality (VC): N
- Integrity (VI): H
- Availability (VA): N
- Confidentiality (SC): N
- Integrity (SI): N
- Availability (SA): N
Threat 4.0
- Exploit maturity: X