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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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775 CWEs

API response
CWE Name Mapping usage Occurrences
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Allowed 28173
CWE-122 Heap-based Buffer Overflow Allowed 15662
CWE-416 Use After Free Allowed 14502
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Allowed 11665
CWE-125 Out-of-bounds Read Allowed 10511
CWE-862 Missing Authorization Allowed-with-Review 9227
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Allowed-with-Review 6178
CWE-20 Improper Input Validation Discouraged 6149
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Discouraged 5911
CWE-352 Cross-Site Request Forgery (CSRF) Allowed 5535
CWE-284 Improper Access Control Discouraged 5478
CWE-121 Stack-based Buffer Overflow Allowed 5475
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Discouraged 4983
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') Allowed-with-Review 4724
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Allowed 4662
CWE-918 Server-Side Request Forgery (SSRF) Allowed 4382
CWE-94 Improper Control of Generation of Code ('Code Injection') Allowed-with-Review 4297
CWE-787 Out-of-bounds Write Allowed-with-Review 4173
CWE-190 Integer Overflow or Wraparound Allowed 4026
CWE-502 Deserialization of Untrusted Data Allowed 3955
CWE-863 Incorrect Authorization Allowed-with-Review 3478
CWE-306 Missing Authentication for Critical Function Allowed 3117
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Discouraged 2934
CWE-400 Uncontrolled Resource Consumption Discouraged 2886
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') Allowed-with-Review 2819
CWE-434 Unrestricted Upload of File with Dangerous Type Allowed 2740
CWE-770 Allocation of Resources Without Limits or Throttling Allowed 2713
CWE-287 Improper Authentication Discouraged 2682
CWE-639 Authorization Bypass Through User-Controlled Key Allowed 2681
CWE-476 NULL Pointer Dereference Allowed 2237
CWE-285 Improper Authorization Discouraged 2223
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') Allowed-with-Review 2104
CWE-59 Improper Link Resolution Before File Access ('Link Following') Allowed 2066
CWE-269 Improper Privilege Management Discouraged 1894
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') Allowed 1760
CWE-126 Buffer Over-read Allowed 1703
CWE-191 Integer Underflow (Wrap or Wraparound) Allowed 1647
CWE-908 Use of Uninitialized Resource Allowed 1548
CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') Allowed 1328
CWE-266 Incorrect Privilege Assignment Allowed 1269
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition Allowed 1165
CWE-601 URL Redirection to Untrusted Site ('Open Redirect') Allowed 1101
CWE-23 Relative Path Traversal Allowed 1089
CWE-295 Improper Certificate Validation Allowed 1077
CWE-822 Untrusted Pointer Dereference Allowed 1068
CWE-73 External Control of File Name or Path Allowed 1021
CWE-347 Improper Verification of Cryptographic Signature Allowed 1014
CWE-693 Protection Mechanism Failure Discouraged 975
CWE-427 Uncontrolled Search Path Element Allowed-with-Review 940
CWE-197 Numeric Truncation Error Allowed 867