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

MITRE CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content (Detailed Attack Pattern - High Severity)

MITRE CAPEC-477 (Signature Spoofing by Mixing Signed and Unsigned Content) is a detailed-level attack pattern in the MITRE Common Attack Pattern…

Compliance Node Overview

MITRE CAPEC-477 (Signature Spoofing by Mixing Signed and Unsigned Content) is a detailed-level attack pattern in the MITRE Common Attack Pattern Enumeration and Classification. An attacker exploits the underlying complexity of a data structure that allows for both signed and unsigned content, to cause unsigned data to be processed as though it were signed data. Likelihood of attack: Low. Typical severity: High. Maps to weaknesses CWE-693, CWE-311, CWE-319.

Pillar: Cybersecurity · Authority: MITRE Corporation · Version: 1.0.0 · Last updated: 2026-05-25

Primary source: https://capec.mitre.org/data/definitions/477.html

SHA-256 integrity: 07dd9da8c758caf7e326dfe033d5e6b0773412f8e05d92247201fde5354dec48

Primary Citations — 9 traced to source

MITRE CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content (https://capec.mitre.org/data/definitions/477.html)
CWE-693: underlying weakness (http://cwe.mitre.org/data/definitions/693.html)

+ 7 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-477-signature-spoofing-by-mixing-signed-and-unsigned-content.json — 6-field metadata
Vault (full node): /api/v1/vault/nodes/mitre-capec-capec-477-signature-spoofing-by-mixing-signed-and-unsigned-content.json — full 13-key payload, $0.01 USDC (L402/Skyfire/Direct Base)
Canonical URL: https://bidda.com/intelligence/mitre-capec-capec-477-signature-spoofing-by-mixing-signed-and-unsigned-content
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