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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795 CWEs

API response
CWE Name Mapping usage Occurrences
CWE-122 Heap-based Buffer Overflow Allowed 44832
CWE-416 Use After Free Allowed 38127
CWE-79 Improper Neutralization of Input During Web Page Generation Allowed 34695
CWE-125 Out-of-bounds Read Allowed 27525
CWE-862 Missing Authorization Allowed-with-Review 14841
CWE-89 Improper Neutralization of Special Elements used in an SQL Command Allowed 14446
CWE-121 Stack-based Buffer Overflow Allowed 9522
CWE-22 Improper Limitation of a Pathname to a Restricted Directory Allowed-with-Review 9299
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization Allowed-with-Review 8716
CWE-20 Improper Input Validation Discouraged 8643
CWE-190 Integer Overflow or Wraparound Allowed 8448
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Discouraged 7630
CWE-787 Out-of-bounds Write Allowed-with-Review 7037
CWE-918 Server-Side Request Forgery Allowed 6967
CWE-284 Improper Access Control Discouraged 6840
CWE-78 Improper Neutralization of Special Elements used in an OS Command Allowed 6648
CWE-863 Incorrect Authorization Allowed-with-Review 6547
CWE-94 Improper Control of Generation of Code Allowed-with-Review 6206
CWE-352 Cross-Site Request Forgery Allowed 6169
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component Discouraged 6053
CWE-502 Deserialization of Untrusted Data Allowed 5987
CWE-306 Missing Authentication for Critical Functionality Allowed 5624
CWE-639 Authorization Bypass Through User-Controlled Key Allowed 5060
CWE-770 Allocation of Resources Without Limits or Throttling Allowed 4715
CWE-400 Uncontrolled Resource Consumption Discouraged 4181
CWE-59 Improper Link Resolution Before File Access Allowed 4167
CWE-476 NULL Pointer Dereference Allowed 4083
CWE-126 Buffer Over-read Allowed 3936
CWE-77 Improper Neutralization of Special Elements used in a Command Allowed-with-Review 3782
CWE-287 Improper Authentication Discouraged 3781
CWE-822 Untrusted Pointer Dereference Allowed 3770
CWE-908 Use of Uninitialized Resource Allowed 3624
CWE-191 Integer Underflow (Wrap or Wraparound) Allowed 3430
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Discouraged 3407
CWE-843 Access of Resource Using Incompatible Type Allowed 3401
CWE-434 Unrestricted Upload of File with Dangerous Type Allowed 3264
CWE-285 Improper Authorization Discouraged 2889
CWE-415 Double Free Allowed 2852
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition Allowed 2778
CWE-269 Improper Privilege Management Discouraged 2670
CWE-120 Buffer Copy without Checking Size of Input Allowed-with-Review 2379
CWE-347 Improper Verification of Cryptographic Signature Allowed 1997
CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere Allowed 1994
CWE-295 Improper Certificate Validation Allowed 1890
CWE-197 Numeric Truncation Error Allowed 1785
CWE-266 Incorrect Privilege Assignment Allowed 1750
CWE-73 External Control of File Name or Path Allowed 1654
CWE-23 Relative Path Traversal Allowed 1634
CWE-601 URL Redirection to Untrusted Site Allowed 1559
CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program Allowed 1477