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Vulnerability Types Security classification reference

58 Vulnerability Types

Security Vulnerability Categories Comprehensive classification of smart contract vulnerabilities

Security Reference
Vulnerability Type Description Risk Assessment Detected Cases Impact Level
access_control Vulnerability Category
Default description for access_control
8.0
High Base Score
16 Occurrences
High
access_control_enhanced Vulnerability Category
Default description for access_control_enhanced
8.1
High Base Score
40 Occurrences
High
arbitrary_send Vulnerability Category
Default description for arbitrary_send
8.5
High Base Score
9 Occurrences
High
assembly_usage Vulnerability Category
Default description for assembly_usage
6.0
Medium Base Score
2 Occurrences
Medium
assignment_vs_equality Vulnerability Category
Default description for assignment_vs_equality
5.1
Medium Base Score
1 Occurrences
Medium
constructor_names Vulnerability Category
Default description for constructor_names
7.0
High Base Score
2 Occurrences
High
custom Vulnerability Category
Default description for custom
6.5
Medium Base Score
59 Occurrences
Medium
default_visibility Vulnerability Category
Default description for default_visibility
5.0
Medium Base Score
75 Occurrences
Medium
delegate_call Vulnerability Category
Default description for delegate_call
8.0
High Base Score
17 Occurrences
High
dos_gas_limit Vulnerability Category
Default description for dos_gas_limit
5.5
Medium Base Score
35 Occurrences
Medium
erc20_return_value Vulnerability Category
Default description for erc20_return_value
6.5
Medium Base Score
4 Occurrences
Medium
floating_pragma Vulnerability Category
Default description for floating_pragma
3.0
Low Base Score
54 Occurrences
Low
force_send_ether Vulnerability Category
Default description for force_send_ether
5.0
Medium Base Score
2 Occurrences
Medium
improper_array_usage Vulnerability Category
Default description for improper_array_usage
5.5
Medium Base Score
293 Occurrences
Medium
improper_view_pure Vulnerability Category
Default description for improper_view_pure
4.0
Medium Base Score
40 Occurrences
Medium
incorrect_interface Vulnerability Category
Default description for incorrect_interface
4.0
Medium Base Score
14 Occurrences
Medium
integer_overflow Vulnerability Category
Default description for integer_overflow
6.0
Medium Base Score
304 Occurrences
Medium
locked_ether Vulnerability Category
Default description for locked_ether
5.0
Medium Base Score
76 Occurrences
Medium
missing_events Vulnerability Category
Default description for missing_events
3.5
Low Base Score
96 Occurrences
Low
missing_zero_check Vulnerability Category
Default description for missing_zero_check
4.0
Medium Base Score
48 Occurrences
Medium
outdated_compiler Vulnerability Category
Default description for outdated_compiler
4.0
Medium Base Score
40 Occurrences
Medium
race_condition Vulnerability Category
Default description for race_condition
6.0
Medium Base Score
1 Occurrences
Medium
reentrancy Vulnerability Category
Default description for reentrancy
9.0
Critical Base Score
22 Occurrences
Critical
rtlo_character Vulnerability Category
Default description for rtlo_character
5.0
Medium Base Score
395 Occurrences
Medium
self_destruct Vulnerability Category
Default description for self_destruct
7.0
High Base Score
2 Occurrences
High
shadowed_variables Vulnerability Category
Default description for shadowed_variables
4.0
Medium Base Score
15 Occurrences
Medium
short_address Vulnerability Category
Default description for short_address
4.0
Medium Base Score
82 Occurrences
Medium
signature_replay Vulnerability Category
Default description for signature_replay
6.9
Medium Base Score
4 Occurrences
Medium
storage_collision Vulnerability Category
Default description for storage_collision
6.5
Medium Base Score
33 Occurrences
Medium
swc Vulnerability Category
Default description for swc
4.8
Medium Base Score
4 Occurrences
Medium
swc_100_default_visibility Vulnerability Category
Default description for swc_100_default_visibility
3.6
Low Base Score
98 Occurrences
Low
swc_101_integer_overflow Vulnerability Category
Default description for swc_101_integer_overflow
7.0
High Base Score
28 Occurrences
High
swc_102_outdated_compiler Vulnerability Category
Default description for swc_102_outdated_compiler
4.0
Medium Base Score
8 Occurrences
Medium
swc_103_floating_pragma Vulnerability Category
Default description for swc_103_floating_pragma
3.0
Low Base Score
40 Occurrences
Low
swc_105_unprotected_withdrawal Vulnerability Category
Default description for swc_105_unprotected_withdrawal
8.5
High Base Score
1 Occurrences
High
swc_106_unprotected_selfdestruct Vulnerability Category
Default description for swc_106_unprotected_selfdestruct
8.1
High Base Score
2 Occurrences
High
swc_108_state_default_visibility Vulnerability Category
Default description for swc_108_state_default_visibility
2.6
Low Base Score
154 Occurrences
Low
swc_112_unsafe_delegatecall Vulnerability Category
Default description for swc_112_unsafe_delegatecall
7.6
High Base Score
9 Occurrences
High
swc_113_dos_failed_call Vulnerability Category
Default description for swc_113_dos_failed_call
5.1
Medium Base Score
5 Occurrences
Medium
swc_115_tx_origin Vulnerability Category
Default description for swc_115_tx_origin
7.0
High Base Score
9 Occurrences
High
swc_116_timestamp_dependence Vulnerability Category
Default description for swc_116_timestamp_dependence
5.0
Medium Base Score
1 Occurrences
Medium
swc_122_unprotected_ether_withdrawal Vulnerability Category
Default description for swc_122_unprotected_ether_withdrawal
8.5
High Base Score
1 Occurrences
High
swc_123_unprotected_selfdestruct Vulnerability Category
Default description for swc_123_unprotected_selfdestruct
7.0
High Base Score
1 Occurrences
High
swc_124_arbitrary_storage Vulnerability Category
Default description for swc_124_arbitrary_storage
8.8
High Base Score
6 Occurrences
High
swc_125_unprotected_ether_transfer Vulnerability Category
Default description for swc_125_unprotected_ether_transfer
5.6
Medium Base Score
8 Occurrences
Medium
swc_128_gas_limit_dos Vulnerability Category
Default description for swc_128_gas_limit_dos
6.0
Medium Base Score
24 Occurrences
Medium
swc_131_unused_variables Vulnerability Category
Default description for swc_131_unused_variables
1.5
Low Base Score
16 Occurrences
Low
timestamp_dependency Vulnerability Category
Default description for timestamp_dependency
4.0
Medium Base Score
8 Occurrences
Medium
tx_origin Vulnerability Category
Default description for tx_origin
8.0
High Base Score
7 Occurrences
High
unchecked_external_call Vulnerability Category
Default description for unchecked_external_call
7.5
High Base Score
2 Occurrences
High
unchecked_low_level_call Vulnerability Category
Default description for unchecked_low_level_call
7.0
High Base Score
3 Occurrences
High
unchecked_transfer Vulnerability Category
Default description for unchecked_transfer
6.8
Medium Base Score
14 Occurrences
Medium
unprotected_function Vulnerability Category
Default description for unprotected_function
5.0
Medium Base Score
275 Occurrences
Medium
unsafe_external_calls Vulnerability Category
Default description for unsafe_external_calls
6.8
Medium Base Score
1 Occurrences
Medium
unused_variables Vulnerability Category
Default description for unused_variables
2.0
Low Base Score
2 Occurrences
Low
variable_shadowing Vulnerability Category
Default description for variable_shadowing
4.0
Medium Base Score
27 Occurrences
Medium
wrong_inheritance Vulnerability Category
Default description for wrong_inheritance
6.0
Medium Base Score
1 Occurrences
Medium
zero_address_check Vulnerability Category
Default description for zero_address_check
4.5
Medium Base Score
165 Occurrences
Medium

Risk Score Classification Understanding vulnerability severity levels

Critical 9.0-10.0
Severe Vulnerabilities
Immediate Action Required High impact vulnerabilities
Severe vulnerabilities that require immediate attention and pose significant security risks to smart contracts.
High 7.0-8.9
Significant Issues
Address Soon Notable security concerns
Significant vulnerabilities that should be addressed soon as they can lead to security breaches.
Medium 4.0-6.9
Moderate Issues
Review Required Moderate security risks
Moderate vulnerabilities that should be reviewed and addressed during regular security maintenance.
Low 0.1-3.9
Minor Issues
Low Priority Minimal security impact
Minor vulnerabilities with limited impact that can be addressed when convenient.

Vulnerability Statistics Current detection metrics

8.0
access_control 16
8.1
access_control_enhanced 40
8.5
arbitrary_send 9
6.0
assembly_usage 2

Security Resources External references and guides

Smart Contract Best Practices Comprehensive security guidelines
SWC Registry Smart contract weakness classification
Security Blog Latest security research and findings
Solidity Security Considerations Official Solidity security documentation