How severe is CVE-2021-3004?

CVE-2021-3004 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-3004 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3004?

CVE-2021-3004 affects Stableyieldcredit Project Stableyieldcredit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3004?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-3004 published?

CVE-2021-3004 was published on 2021-01-03 and last updated on 2026-06-17.

CVE-2021-3004

CVE-2021-3004 is a high-severity vulnerability in Stableyieldcredit Project Stableyieldcredit with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-682.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-682
Affected product: Stableyieldcredit Project Stableyieldcredit
Published: 2021-01-03
Last modified: 2026-06-17

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.

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 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-3004 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3004?: CVE-2021-3004 affects Stableyieldcredit Project Stableyieldcredit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3004?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-3004 published?: CVE-2021-3004 was published on 2021-01-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:stableyieldcredit_project:stableyieldcredit:-:*:*:*:*:*:*:*

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