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Home/CWEs/CWE-284
Common Weakness Enumeration

CWE-284: Improper Access Control

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The product does not restrict access to a resource from unauthorized actors.

Abstraction
Pillar
OWASP Top 10
A01:2021 (#1)
Exploit Likelihood
High
Related CVEs
0

How to mitigate

Centralize authorization checks server-side; deny by default; test every route with unprivileged accounts.

▪References & documentation

https://cwe.mitre.org/data/definitions/284.htmlNVD CWE listing

▪ How attackers exploit CWE-284

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

T1005Data from Local SystemcollectionT1014RootkitstealthT1027Obfuscated Files or InformationstealthT1036MasqueradingstealthT1037Boot or Logon Initialization Scriptspersistence · privilege-escalationT1080Taint Shared Contentlateral-movement

Step-by-step: how CWE-284 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.

▪ Related CVEs

No CVEs in the Gold index currently reference CWE-284. New matches appear here as the crawler indexes them.
T1112Modify Registrydefense-impairment · persistence
T1491Defacementimpact
T1505Server Software Componentpersistence
T1542Pre-OS Bootstealth · persistence
T1543Create or Modify System Processpersistence · privilege-escalation
T1546Event Triggered Executionprivilege-escalation · persistence
T1547Boot or Logon Autostart Executionpersistence · privilege-escalation
T1548Abuse Elevation Control Mechanismprivilege-escalation
T1553Subvert Trust Controlsdefense-impairment
T1555Credentials from Password Storescredential-access
T1556Modify Authentication Processdefense-impairment · persistence · credential-access
T1562Impair Defensesstealth
T1574Hijack Execution Flowstealth · execution
T1587Develop Capabilitiesresource-development
T1647Plist File Modificationdefense-impairment
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.

  • 2
    Persistencepersistence

    Stay in even after reboots, patches, or credential changes.

    At risk / what's stolen

    Startup hooks, scheduled tasks, config, and accounts the attacker can plant a backdoor in.

    How you defend

    Integrity monitoring of code, config, and scheduled tasks; short-lived credentials.

  • 3
    Privilege escalationprivilege-escalation

    Gain higher privileges — from a limited account to admin/root.

    At risk / what's stolen

    Over-permissioned services, weak file/permission boundaries, and setuid paths.

    How you defend

    Drop privileges, enforce least privilege, and lock down file permissions.

  • 4
    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

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

  • 5
    Lateral movementlateral-movement

    Pivot from the compromised system to others on the network.

    At risk / what's stolen

    Adjacent servers, databases, and internal services reachable from the foothold.

    How you defend

    Segmentation, per-service auth, and blocking reused credentials across systems.

  • 6
    Collectioncollection

    Gather the valuable data before taking it out.

    At risk / what's stolen

    Databases, files, customer records, source code, and business data.

    How you defend

    Data-access monitoring, encryption at rest, and least-privilege data access.

  • 7
    Impactimpact

    Cause damage — destroy, encrypt, deny, or manipulate.

    At risk / what's stolen

    Availability and integrity: ransomware encryption, data wiping, or service denial.

    How you defend

    Tested offline backups, integrity checks, and rate/abuse limiting.

  • 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.