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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767 CWEs

API response
CWE Name Mapping usage Occurrences
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Allowed 24868
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Allowed 10418
CWE-862 Missing Authorization Allowed-with-Review 7325
CWE-416 Use After Free Allowed 7288
CWE-122 Heap-based Buffer Overflow Allowed 5986
CWE-125 Out-of-bounds Read Allowed 5366
CWE-352 Cross-Site Request Forgery (CSRF) Allowed 5250
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Allowed-with-Review 4839
CWE-20 Improper Input Validation Discouraged 4466
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Discouraged 4435
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Discouraged 4382
CWE-284 Improper Access Control Discouraged 4092
CWE-121 Stack-based Buffer Overflow Allowed 3628
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Allowed 3603
CWE-94 Improper Control of Generation of Code ('Code Injection') Allowed-with-Review 3302
CWE-787 Out-of-bounds Write Allowed-with-Review 3004
CWE-918 Server-Side Request Forgery (SSRF) Allowed 2745
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Discouraged 2700
CWE-502 Deserialization of Untrusted Data Allowed 2567
CWE-434 Unrestricted Upload of File with Dangerous Type Allowed 2469
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') Allowed-with-Review 2430
CWE-863 Incorrect Authorization Allowed-with-Review 2319
CWE-400 Uncontrolled Resource Consumption Discouraged 2177
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') Allowed-with-Review 2023
CWE-190 Integer Overflow or Wraparound Allowed 2012
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') Allowed-with-Review 1946
CWE-287 Improper Authentication Discouraged 1944
CWE-306 Missing Authentication for Critical Function Allowed 1914
CWE-639 Authorization Bypass Through User-Controlled Key Allowed 1891
CWE-770 Allocation of Resources Without Limits or Throttling Allowed 1834
CWE-285 Improper Authorization Discouraged 1715
CWE-476 NULL Pointer Dereference Allowed 1557
CWE-269 Improper Privilege Management Discouraged 1422
CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') Allowed 1273
CWE-266 Incorrect Privilege Assignment Allowed 1020
CWE-59 Improper Link Resolution Before File Access ('Link Following') Allowed 1006
CWE-601 URL Redirection to Untrusted Site ('Open Redirect') Allowed 955
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') Allowed 933
CWE-126 Buffer Over-read Allowed 848
CWE-427 Uncontrolled Search Path Element Allowed-with-Review 802
CWE-295 Improper Certificate Validation Allowed 768
CWE-908 Use of Uninitialized Resource Allowed 730
CWE-532 Insertion of Sensitive Information into Log File Allowed 730
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition Allowed 723
CWE-23 Relative Path Traversal Allowed 691
CWE-798 Use of Hard-coded Credentials Allowed-with-Review 689
CWE-73 External Control of File Name or Path Allowed 663
CWE-191 Integer Underflow (Wrap or Wraparound) Allowed 623
CWE-288 Authentication Bypass Using an Alternate Path or Channel Allowed 620
CWE-347 Improper Verification of Cryptographic Signature Allowed 609