What’s Vulnerable › Vulnerabilities

CVE-2021-3004

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-03 · updated 2026-06-17
• Weakness: CWE-682

Description

The _deposit function in the smart contract implementation for Stable Yield Credit (yCREDIT), an Ethereum token, has certain incorrect calculations. An attacker can obtain more yCREDIT tokens than they should.

Affected products

• Stableyieldcredit Project Stableyieldcredit: all versions

References

• https://blocksecteam.medium.com/deposit-less-get-more-ycredit-attack-details-f589f71674c3
• https://etherscan.io/address/0xe0839f9b9688a77924208ad509e29952dc660261
• https://blocksecteam.medium.com/deposit-less-get-more-ycredit-attack-details-f589f71674c3
• https://etherscan.io/address/0xe0839f9b9688a77924208ad509e29952dc660261

Get alerted when CVE-2021-3004 or the next vulnerability affects your stack