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Home/CWEs/CWE-1231
Common Weakness Enumeration

CWE-1231: Improper Prevention of Lock Bit Modification

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The product uses a trusted lock bit for restricting access to registers, address regions, or other resources, but the product does not prevent the value of the lock bit from being modified after it has been set.

Abstraction
Base
Related CVEs
0

▪References & documentation

https://cwe.mitre.org/data/definitions/1231.htmlNVD CWE listing

▪ How attackers exploit CWE-1231

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

T1574Hijack Execution Flowstealth · execution

Step-by-step: how CWE-1231 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
    Executionexecution

    Run attacker-chosen code or commands on the system.

    At risk / what's stolen

    Application logic and the host runtime — an attacker can execute arbitrary code or commands.

    How you defend

    Least-privilege runtime, sandboxing, and safe deserialization/parsing.

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.

▪ Related CVEs

No CVEs in the Gold index currently reference CWE-1231. New matches appear here as the crawler indexes them.