Home/CWE/Missing Encryption of Sensitive Data
Weakness

Missing Encryption of Sensitive Data

CWE-311 · Class · Draft

The product does not encrypt sensitive or critical information before storage or transmission.

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Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-693 · Protection Mechanism Failure
Children (more specific)
ParentOfCWE-312 · Cleartext Storage of Sensitive Information
ParentOfCWE-319 · Cleartext Transmission of Sensitive Information
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Attack Patterns (CAPEC)

14
How adversaries exploit this weakness, per MITRE CAPEC.
CAPEC-157Sniffing Attacks
CAPEC-158Sniffing Network Traffic
CAPEC-204Lifting Sensitive Data Embedded in Cache
CAPEC-31Accessing/Intercepting/Modifying HTTP Cookies
CAPEC-37Retrieve Embedded Sensitive Data
CAPEC-383Harvesting Information via API Event Monitoring
CAPEC-384Application API Message Manipulation via Man-in-the-Middle
CAPEC-385Transaction or Event Tampering via Application API Manipulation
CAPEC-386Application API Navigation Remapping
CAPEC-387Navigation Remapping To Propagate Malicious Content
CAPEC-388Application API Button Hijacking
CAPEC-477Signature Spoofing by Mixing Signed and Unsigned Content
CAPEC-609Cellular Traffic Intercept
CAPEC-65Sniff Application Code
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CVEs With This Weakness

552
A sample of the 552 CVEs tagged with this weakness.
CVECVE-2026-34992
CVECVE-2026-34486
CVECVE-2026-32891
CVECVE-2026-28678
CVECVE-2026-27944
CVECVE-2025-8763
CVECVE-2025-69969
CVECVE-2025-65825
CVECVE-2025-65098
CVECVE-2025-64147
CVECVE-2025-64146
CVECVE-2025-64145
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