Auth bypass in Cryptbond Network Project

CVE-2018-19831

The ToOwner() function of a smart contract implementation for Cryptbond Network (CBN), an tradable Ethereum ERC20 token, allows attackers to change the owner of the contract, because the function does not check the caller's identity.

Vulnerability class: Broken Authentication

EPSS: 0.009 (57.0th 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:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-19831?
CVE-2018-19831 is a high-severity vulnerability in Cryptbond Network Project, classified under Improper Authentication. CVSS score: 7.5/10. Published 2019-12-31.
How severe is CVE-2018-19831?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-19831 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.