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HIGH

CVE-2021-34270

CVSS v3

7.5

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An integer overflow in the mintToken function of a smart contract implementation for Doftcoin Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses.

Technical details

Published
2021-08-03

Frequently asked questions

What is CVE-2021-34270?

An integer overflow in the mintToken function of a smart contract implementation for Doftcoin Token, an Ethereum ERC20 token, allows the owner to cause unexpected financial losses.

Is CVE-2021-34270 actively exploited?

Active exploitation of CVE-2021-34270 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-34270?

CVE-2021-34270 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-34270 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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