Common Weakness Enumeration

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

Reset

780 CWEs

API response
CWE Name Mapping usage Occurrences
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Allowed 30454
CWE-122 Heap-based Buffer Overflow Allowed 25616
CWE-416 Use After Free Allowed 20621
CWE-125 Out-of-bounds Read Allowed 15764
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Allowed 12681
CWE-862 Missing Authorization Allowed-with-Review 10859
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Allowed-with-Review 7175
CWE-20 Improper Input Validation Discouraged 7106
CWE-121 Stack-based Buffer Overflow Allowed 6833
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Discouraged 6624
CWE-284 Improper Access Control Discouraged 6104
CWE-352 Cross-Site Request Forgery (CSRF) Allowed 5771
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') Allowed-with-Review 5761
CWE-190 Integer Overflow or Wraparound Allowed 5452
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Allowed 5439
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Discouraged 5417
CWE-918 Server-Side Request Forgery (SSRF) Allowed 5344
CWE-94 Improper Control of Generation of Code ('Code Injection') Allowed-with-Review 4900
CWE-787 Out-of-bounds Write Allowed-with-Review 4762
CWE-502 Deserialization of Untrusted Data Allowed 4566
CWE-863 Incorrect Authorization Allowed-with-Review 4222
CWE-306 Missing Authentication for Critical Function Allowed 3988
CWE-639 Authorization Bypass Through User-Controlled Key Allowed 3447
CWE-400 Uncontrolled Resource Consumption Discouraged 3354
CWE-770 Allocation of Resources Without Limits or Throttling Allowed 3316
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') Allowed-with-Review 3221
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Discouraged 3136
CWE-287 Improper Authentication Discouraged 3090
CWE-434 Unrestricted Upload of File with Dangerous Type Allowed 2925
CWE-476 NULL Pointer Dereference Allowed 2745
CWE-59 Improper Link Resolution Before File Access ('Link Following') Allowed 2585
CWE-285 Improper Authorization Discouraged 2530
CWE-126 Buffer Over-read Allowed 2398
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') Allowed 2275
CWE-908 Use of Uninitialized Resource Allowed 2213
CWE-269 Improper Privilege Management Discouraged 2212
CWE-191 Integer Underflow (Wrap or Wraparound) Allowed 2209
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') Allowed-with-Review 2197
CWE-822 Untrusted Pointer Dereference Allowed 1559
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition Allowed 1475
CWE-415 Double Free Allowed 1445
CWE-266 Incorrect Privilege Assignment Allowed 1416
CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') Allowed 1367
CWE-73 External Control of File Name or Path Allowed 1299
CWE-347 Improper Verification of Cryptographic Signature Allowed 1292
CWE-295 Improper Certificate Validation Allowed 1272
CWE-23 Relative Path Traversal Allowed 1253
CWE-601 URL Redirection to Untrusted Site ('Open Redirect') Allowed 1221
CWE-693 Protection Mechanism Failure Discouraged 1174
CWE-197 Numeric Truncation Error Allowed 1168