CVE-2021-3004 — HIGH (7.5) — White Hats Nepal

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Stableyieldcredit Project	Stableyieldcredit	-

Related Weaknesses (CWE)

CWE-682

References

https://blocksecteam.medium.com/deposit-less-get-more-ycredit-attack-details-f58ExploitThird Party Advisory
https://etherscan.io/address/0xe0839f9b9688a77924208ad509e29952dc660261Third Party Advisory
https://blocksecteam.medium.com/deposit-less-get-more-ycredit-attack-details-f58ExploitThird Party Advisory
https://etherscan.io/address/0xe0839f9b9688a77924208ad509e29952dc660261Third Party Advisory

FAQ

What is CVE-2021-3004?

CVE-2021-3004 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 the...

How severe is CVE-2021-3004?

CVE-2021-3004 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3004?

Check the references section above for vendor advisories and patch information. Affected products include: Stableyieldcredit Project Stableyieldcredit.