CVE-2021-3004: The _deposit function in the smart contract implementation for Stable Yield Credit (yCREDIT), an Ethereum toke
CVE-2021-3004 is a high-severity flaw (CVSS 7.5) affecting stableyieldcredit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.3% (top 30%) |
| CISA exploited list | No |
| Weakness | CWE-682 |
| Published | 2021-01-03 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-3004?
stableyieldcredit: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-3004 being exploited?
CVE-2021-3004 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-3004 affect?
CVE-2021-3004 affects stableyieldcredit. Severity is high (CVSS 7.5). 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 urgent is CVE-2021-3004?
Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action