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Bidda Sovereign Intelligence · 10,065 Verified Nodes · 39 Sovereign Pillars

MITRE CAPEC-21: Exploitation of Trusted Identifiers (Attack Pattern - High Severity)

MITRE CAPEC-21 (Exploitation of Trusted Identifiers) is an attack pattern in which an adversary manipulates trusted identifiers (session IDs, cookies,…

Compliance Node Overview

MITRE CAPEC-21 (Exploitation of Trusted Identifiers) is an attack pattern in which an adversary manipulates trusted identifiers (session IDs, cookies, access tokens, SAML assertions, OAuth tokens) to impersonate authenticated users. Prerequisites: weak identifier proof/verification schemes, long-lifetime reusable identifiers, concurrent sessions allowed. Likelihood: High. Severity: High. Maps to MITRE ATT&CK T1134 (Access Token Manipulation), T1528 (Steal Application Access Token), T1539 (Steal Web Session Cookie). CWE-290, CWE-302, CWE-384, CWE-539. Compliance: OWASP ASVS V3, PCI DSS, NIS2.

Pillar: Cybersecurity · Authority: MITRE Corporation · Version: 1.0.0 · Last updated: 2026-05-12

Primary source: https://capec.mitre.org/data/definitions/21.html

SHA-256 integrity: 6abfc4bfafdcf92c7394b0986a85f91d1d0c92689c63dcf6f2630970017ea224

Primary Citations — 8 traced to source

MITRE CAPEC-21: Exploitation of Trusted Identifiers (https://capec.mitre.org/data/definitions/21.html)
CWE-290: Authentication Bypass by Spoofing

+ 6 more citations (full bibliography, deterministic workflow, actionable schema and crosswalks) included in the vault unlock — $0.01 via Skyfire / L402 / Direct Base USDC.

Access

Discovery (free): /api/v1/nodes/mitre-capec-capec-21-exploitation-of-trusted-identifiers.json — 6-field metadata
Vault (full node): /api/v1/vault/nodes/mitre-capec-capec-21-exploitation-of-trusted-identifiers.json — full 13-key payload, $0.01 USDC (L402/Skyfire/Direct Base)
Canonical URL: https://bidda.com/intelligence/mitre-capec-capec-21-exploitation-of-trusted-identifiers
Back to registry: Browse all 10,065 compliance nodes

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