Common Weakness Enumeration

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

Reset

785 CWEs

API response
CWE Name Mapping usage Occurrences
CWE-122 Heap-based Buffer Overflow Allowed 33047
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Allowed 32084
CWE-416 Use After Free Allowed 27676
CWE-125 Out-of-bounds Read Allowed 20555
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Allowed 13416
CWE-862 Missing Authorization Allowed-with-Review 12518
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Allowed-with-Review 7923
CWE-121 Stack-based Buffer Overflow Allowed 7847
CWE-20 Improper Input Validation Discouraged 7757
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Discouraged 7015
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') Allowed-with-Review 6889
CWE-190 Integer Overflow or Wraparound Allowed 6564
CWE-284 Improper Access Control Discouraged 6368
CWE-918 Server-Side Request Forgery (SSRF) Allowed 5926
CWE-352 Cross-Site Request Forgery (CSRF) Allowed 5879
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Allowed 5851
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Discouraged 5747
CWE-787 Out-of-bounds Write Allowed-with-Review 5599
CWE-94 Improper Control of Generation of Code ('Code Injection') Allowed-with-Review 5442
CWE-502 Deserialization of Untrusted Data Allowed 5155
CWE-863 Incorrect Authorization Allowed-with-Review 5142
CWE-306 Missing Authentication for Critical Function Allowed 4623
CWE-639 Authorization Bypass Through User-Controlled Key Allowed 4094
CWE-770 Allocation of Resources Without Limits or Throttling Allowed 3818
CWE-400 Uncontrolled Resource Consumption Discouraged 3649
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') Allowed-with-Review 3404
CWE-287 Improper Authentication Discouraged 3342
CWE-476 NULL Pointer Dereference Allowed 3277
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Discouraged 3273
CWE-59 Improper Link Resolution Before File Access ('Link Following') Allowed 3185
CWE-434 Unrestricted Upload of File with Dangerous Type Allowed 3065
CWE-126 Buffer Over-read Allowed 3023
CWE-908 Use of Uninitialized Resource Allowed 2700
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') Allowed 2686
CWE-191 Integer Underflow (Wrap or Wraparound) Allowed 2679
CWE-285 Improper Authorization Discouraged 2668
CWE-269 Improper Privilege Management Discouraged 2417
CWE-822 Untrusted Pointer Dereference Allowed 2301
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') Allowed-with-Review 2260
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition Allowed 1981
CWE-415 Double Free Allowed 1960
CWE-266 Incorrect Privilege Assignment Allowed 1560
CWE-347 Improper Verification of Cryptographic Signature Allowed 1552
CWE-295 Improper Certificate Validation Allowed 1484
CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') Allowed 1431
CWE-73 External Control of File Name or Path Allowed 1419
CWE-23 Relative Path Traversal Allowed 1391
CWE-197 Numeric Truncation Error Allowed 1371
CWE-601 URL Redirection to Untrusted Site ('Open Redirect') Allowed 1345
CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere Allowed 1284