CVE-2021-3004
HIGHCVSS 7.5/10EPSS 1.26%
Last modified
CVE-2021-3004 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.26% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Stableyieldcredit Project | Stableyieldcredit | All versions |
References
- https://blocksecteam.medium.com/deposit-less-get-more-ycredit-attack-details-f589f71674c3Exploit, Third Party Advisory
- https://etherscan.io/address/0xe0839f9b9688a77924208ad509e29952dc660261Third Party Advisory
- https://blocksecteam.medium.com/deposit-less-get-more-ycredit-attack-details-f589f71674c3Exploit, Third Party Advisory
- https://etherscan.io/address/0xe0839f9b9688a77924208ad509e29952dc660261Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3004?
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.
How severe is CVE-2021-3004?
CVE-2021-3004 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.26% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3004?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-3004?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST