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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779 CWEs

API response
CWE Name Mapping usage Occurrences
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Allowed 30085
CWE-122 Heap-based Buffer Overflow Allowed 25284
CWE-416 Use After Free Allowed 20401
CWE-125 Out-of-bounds Read Allowed 15566
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Allowed 12556
CWE-862 Missing Authorization Allowed-with-Review 10721
CWE-20 Improper Input Validation Discouraged 7068
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Allowed-with-Review 7036
CWE-121 Stack-based Buffer Overflow Allowed 6758
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Discouraged 6581
CWE-284 Improper Access Control Discouraged 6072
CWE-352 Cross-Site Request Forgery (CSRF) Allowed 5732
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') Allowed-with-Review 5728
CWE-190 Integer Overflow or Wraparound Allowed 5387
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Discouraged 5380
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Allowed 5354
CWE-918 Server-Side Request Forgery (SSRF) Allowed 5253
CWE-94 Improper Control of Generation of Code ('Code Injection') Allowed-with-Review 4849
CWE-787 Out-of-bounds Write Allowed-with-Review 4684
CWE-502 Deserialization of Untrusted Data Allowed 4536
CWE-863 Incorrect Authorization Allowed-with-Review 4153
CWE-306 Missing Authentication for Critical Function Allowed 3893
CWE-639 Authorization Bypass Through User-Controlled Key Allowed 3371
CWE-400 Uncontrolled Resource Consumption Discouraged 3305
CWE-770 Allocation of Resources Without Limits or Throttling Allowed 3228
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') Allowed-with-Review 3197
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Discouraged 3121
CWE-287 Improper Authentication Discouraged 3043
CWE-434 Unrestricted Upload of File with Dangerous Type Allowed 2889
CWE-476 NULL Pointer Dereference Allowed 2719
CWE-59 Improper Link Resolution Before File Access ('Link Following') Allowed 2552
CWE-285 Improper Authorization Discouraged 2507
CWE-126 Buffer Over-read Allowed 2370
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') Allowed 2251
CWE-908 Use of Uninitialized Resource Allowed 2187
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') Allowed-with-Review 2187
CWE-191 Integer Underflow (Wrap or Wraparound) Allowed 2184
CWE-269 Improper Privilege Management Discouraged 2174
CWE-822 Untrusted Pointer Dereference Allowed 1538
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition Allowed 1461
CWE-415 Double Free Allowed 1421
CWE-266 Incorrect Privilege Assignment Allowed 1402
CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') Allowed 1360
CWE-73 External Control of File Name or Path Allowed 1272
CWE-347 Improper Verification of Cryptographic Signature Allowed 1263
CWE-23 Relative Path Traversal Allowed 1249
CWE-295 Improper Certificate Validation Allowed 1241
CWE-601 URL Redirection to Untrusted Site ('Open Redirect') Allowed 1212
CWE-693 Protection Mechanism Failure Discouraged 1167
CWE-197 Numeric Truncation Error Allowed 1161