CVE-2021-33403

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An integer overflow in the transfer function of a smart contract implementation for Lancer Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses between two large accounts during a transaction.

Un desbordamiento de enteros en la función transfer de una implementación de contrato inteligente para Lancer Token, un token ERC20 de Ethereum, permite al propietario causar pérdidas financieras inesperadas entre dos grandes cuentas durante una transacción

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-05-20 CVE Reserved
2021-08-03 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-190: Integer Overflow or Wraparound

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://cn.etherscan.com/address/0x63e634330a20150dbb61b15648bc73855d6ccf07#code	2024-08-03
https://github.com/MRdoulestar/SC-RCVD/blob/main/Vulnerabilities/LNCToken.md	2024-08-03

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Blocklancertoken Project Search vendor "Blocklancertoken Project"		Blocklancertoken Search vendor "Blocklancertoken Project" for product "Blocklancertoken"				-		-		Affected