Common Weakness Enumeration

Browse CWEs ranked by the number of vulnerabilities referencing them, and pivot to weakness details, mitigations, and related attack patterns.

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774 CWEs

API response
CWE Name Mapping usage Occurrences
CWE-193 Off-by-one Error Allowed 247
CWE-409 Improper Handling of Highly Compressed Data (Data Amplification) Allowed 239
CWE-1287 Improper Validation of Specified Type of Input Allowed 239
CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') Allowed 237
CWE-35 Path Traversal: '.../...//' Allowed 234
CWE-1188 Initialization of a Resource with an Insecure Default Allowed 232
CWE-441 Unintended Proxy or Intermediary ('Confused Deputy') Allowed-with-Review 230
CWE-294 Authentication Bypass by Capture-replay Allowed 228
CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes Allowed 225
CWE-668 Exposure of Resource to Wrong Sphere Discouraged 221
CWE-407 Inefficient Algorithmic Complexity Allowed-with-Review 221
CWE-755 Improper Handling of Exceptional Conditions Discouraged 220
CWE-208 Observable Timing Discrepancy Allowed 216
CWE-204 Observable Response Discrepancy Allowed 212
CWE-824 Access of Uninitialized Pointer Allowed 211
CWE-640 Weak Password Recovery Mechanism for Forgotten Password Allowed-with-Review 205
CWE-326 Inadequate Encryption Strength Allowed-with-Review 205
CWE-203 Observable Discrepancy Allowed 203
CWE-256 Plaintext Storage of a Password Allowed 200
CWE-36 Absolute Path Traversal Allowed 199
CWE-61 UNIX Symbolic Link (Symlink) Following Allowed 197
CWE-436 Interpretation Conflict Allowed-with-Review 197
CWE-303 Incorrect Implementation of Authentication Algorithm Allowed 190
CWE-384 Session Fixation Allowed 189
CWE-1390 Weak Authentication Allowed-with-Review 187
CWE-305 Authentication Bypass by Primary Weakness Allowed 182
CWE-259 Use of Hard-coded Password Allowed 181
CWE-1021 Improper Restriction of Rendered UI Layers or Frames Allowed 179
CWE-134 Use of Externally-Controlled Format String Allowed 178
CWE-330 Use of Insufficiently Random Values Discouraged 173
CWE-451 User Interface (UI) Misrepresentation of Critical Information Allowed-with-Review 170
CWE-369 Divide By Zero Allowed 169
CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) Allowed 166
CWE-280 Improper Handling of Insufficient Permissions or Privileges Allowed 162
CWE-1236 Improper Neutralization of Formula Elements in a CSV File Allowed 159
CWE-494 Download of Code Without Integrity Check Allowed 157
CWE-252 Unchecked Return Value Allowed 155
CWE-131 Incorrect Calculation of Buffer Size Allowed 155
CWE-681 Incorrect Conversion between Numeric Types Allowed 154
CWE-636 Not Failing Securely ('Failing Open') Allowed-with-Review 154
CWE-90 Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') Allowed 149
CWE-459 Incomplete Cleanup Allowed 148
CWE-788 Access of Memory Location After End of Buffer Discouraged 146
CWE-602 Client-Side Enforcement of Server-Side Security Allowed-with-Review 143
CWE-325 Missing Cryptographic Step Allowed 143
CWE-358 Improperly Implemented Security Check for Standard Allowed 137
CWE-130 Improper Handling of Length Parameter Inconsistency Allowed 137
CWE-923 Improper Restriction of Communication Channel to Intended Endpoints Allowed-with-Review 136
CWE-457 Use of Uninitialized Variable Allowed 136