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Home/CWEs/CWE-1204
Common Weakness Enumeration

CWE-1204: Generation of Weak Initialization Vector (IV)

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The product uses a cryptographic primitive that uses an Initialization Vector (IV), but the product does not generate IVs that are sufficiently unpredictable or unique according to the expected cryptographic requirements for that primitive.

Abstraction
Base
Related CVEs
0

▪References & documentation

https://cwe.mitre.org/data/definitions/1204.htmlNVD CWE listing

▪ How attackers exploit CWE-1204

MITRE ATT&CK techniques associated with this weakness class (mapped via MITRE CAPEC). A vulnerability of this type could let an adversary carry out:

T1110Brute Forcecredential-access

Step-by-step: how CWE-1204 gets exploited

A stage-by-stage walkthrough of the attack, mapped to the real MITRE ATT&CK tactics for this weakness — what the attacker is trying to do, what's at risk (what can be stolen or damaged), and how you defend. Understanding the playbook is how you shut it down.

  1. 1
    Credential accesscredential-access

    Steal passwords, tokens, keys, and session material.

    At risk / what's stolen

    Passwords, API keys, session tokens, SSH/TLS keys, and secrets in memory, env, or config.

    How you defend

▪ Related CVEs

No CVEs in the Gold index currently reference CWE-1204. New matches appear here as the crawler indexes them.

Secret managers, short-lived tokens, and no secrets in code/env/logs.

This is a defensive, conceptual walkthrough for education — stages reflect MITRE ATT&CK tactics associated with this weakness class, not a working exploit. Not every attack uses every stage.