Home/CWE/Generation of Error Message Containing Sensitive Information
Weakness

Generation of Error Message Containing Sensitive Information

CWE-209 · Base · Draft

The product generates an error message that includes sensitive information about its environment, users, or associated data.

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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-200 · Exposure of Sensitive Information to an Unauthorized Actor
ChildOfCWE-755 · Improper Handling of Exceptional Conditions
Children (more specific)
ParentOfCWE-210 · Self-generated Error Message Containing Sensitive Information
ParentOfCWE-211 · Externally-Generated Error Message Containing Sensitive Information
ParentOfCWE-550 · Server-generated Error Message Containing Sensitive Information
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Attack Patterns (CAPEC)

4
How adversaries exploit this weakness, per MITRE CAPEC.
CAPEC-215Fuzzing for application mapping
CAPEC-463Padding Oracle Crypto Attack
CAPEC-54Query System for Information
CAPEC-7Blind SQL Injection
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CVEs With This Weakness

647
A sample of the 647 CVEs tagged with this weakness.
CVECVE-2026-4994
CVECVE-2026-4633
CVECVE-2026-44226
CVECVE-2026-44002
CVECVE-2026-43873
CVECVE-2026-42552
CVECVE-2026-41935
CVECVE-2026-41931
CVECVE-2026-41644
CVECVE-2026-40969
CVECVE-2026-40245
CVECVE-2026-34045
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Nuclei Scanner Templates

7
Open-source Nuclei templates that detect this weakness class - an actionable scan-for-it pivot. Licensed under the ProjectDiscovery / Nuclei terms.
highMicroweber <1.2.11 - Information Disclosure
high.NET Framework - Leaking ObjRefs via HTTP .NET Remoting
mediumWing FTP Server <= 7.4.3 - Path Disclosure via Overlong UID Cookie
mediumElasticsearch 7.10.0-7.13.3 - Information Disclosure
mediumReadToMyShoe - Generation of Error Message Containing Sensitive Information
mediumUsermin 2.100 - Username Enumeration
mediumDrupal 11.x-dev - Full Path Disclosure
External lookups - second-class, for what we don’t hold ourselves
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