Integer overflow in Issuer Project

CVE-2020-24838

An integer overflow has been found in the the latest version of Issuer. The total issuedCount can be zero if the parameter is overly large. An attacker can obtain the private key of the owner issued with a certain 'amount', and the issuedCount can be zero if there is an overflow.

Vulnerability class: Integer Overflow

EPSS: 0.014 (69.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-24838?
CVE-2020-24838 is a high-severity vulnerability in Issuer Project, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2021-02-10.
How severe is CVE-2020-24838?
High severity. CVSS v3 base score is 7.5 out of 10.