Vulnerability CVE-2021-3004
Published: 2021-01-03

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.

Type:

CWE-682

 (Incorrect Calculation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Stableyieldcredit project -> Stableyieldcredit 

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