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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770 CWEs

API response
CWE Name Mapping usage Occurrences
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Allowed 26116
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Allowed 10958
CWE-416 Use After Free Allowed 10117
CWE-122 Heap-based Buffer Overflow Allowed 9706
CWE-862 Missing Authorization Allowed-with-Review 8196
CWE-125 Out-of-bounds Read Allowed 7347
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Allowed-with-Review 5456
CWE-352 Cross-Site Request Forgery (CSRF) Allowed 5389
CWE-20 Improper Input Validation Discouraged 5180
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Discouraged 5079
CWE-284 Improper Access Control Discouraged 4685
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Discouraged 4622
CWE-121 Stack-based Buffer Overflow Allowed 4383
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Allowed 4066
CWE-94 Improper Control of Generation of Code ('Code Injection') Allowed-with-Review 3729
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') Allowed-with-Review 3395
CWE-918 Server-Side Request Forgery (SSRF) Allowed 3387
CWE-787 Out-of-bounds Write Allowed-with-Review 3384
CWE-502 Deserialization of Untrusted Data Allowed 3173
CWE-190 Integer Overflow or Wraparound Allowed 2826
CWE-863 Incorrect Authorization Allowed-with-Review 2824
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Discouraged 2797
CWE-434 Unrestricted Upload of File with Dangerous Type Allowed 2588
CWE-400 Uncontrolled Resource Consumption Discouraged 2446
CWE-306 Missing Authentication for Critical Function Allowed 2432
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') Allowed-with-Review 2373
CWE-287 Improper Authentication Discouraged 2277
CWE-770 Allocation of Resources Without Limits or Throttling Allowed 2231
CWE-639 Authorization Bypass Through User-Controlled Key Allowed 2214
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') Allowed-with-Review 2003
CWE-285 Improper Authorization Discouraged 1929
CWE-476 NULL Pointer Dereference Allowed 1814
CWE-269 Improper Privilege Management Discouraged 1643
CWE-59 Improper Link Resolution Before File Access ('Link Following') Allowed 1503
CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') Allowed 1293
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') Allowed 1266
CWE-126 Buffer Over-read Allowed 1183
CWE-266 Incorrect Privilege Assignment Allowed 1144
CWE-908 Use of Uninitialized Resource Allowed 1056
CWE-191 Integer Underflow (Wrap or Wraparound) Allowed 1054
CWE-601 URL Redirection to Untrusted Site ('Open Redirect') Allowed 1010
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition Allowed 909
CWE-295 Improper Certificate Validation Allowed 873
CWE-427 Uncontrolled Search Path Element Allowed-with-Review 852
CWE-23 Relative Path Traversal Allowed 845
CWE-73 External Control of File Name or Path Allowed 794
CWE-532 Insertion of Sensitive Information into Log File Allowed 785
CWE-347 Improper Verification of Cryptographic Signature Allowed 785
CWE-693 Protection Mechanism Failure Discouraged 763
CWE-798 Use of Hard-coded Credentials Allowed-with-Review 744