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Home/CWEs/CWE-348
Common Weakness Enumeration

CWE-348: Use of Less Trusted Source

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The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack.

Abstraction
Base
Related CVEs
0

▪References & documentation

MITRE CWE definitionNVD CWE listing

▪ How attackers exploit CWE-348

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

T1036MasqueradingstealthT1082System Information DiscoverydiscoveryT1557Adversary-in-the-Middlecredential-access · collectionT1584Compromise Infrastructureresource-development

Step-by-step: how CWE-348 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.

▪ Related CVEs

No CVEs in the Gold index currently reference CWE-348. New matches appear here as the crawler indexes them.
How you defend

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

  • 2
    Discoverydiscovery

    Map what else is reachable — hosts, services, data stores, and accounts.

    At risk / what's stolen

    Internal topology, service inventory, and data locations the attacker enumerates.

    How you defend

    Network segmentation and detection of unusual internal scanning.

  • 3
    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.

  • 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.