CVE-2018-19830

The UBSexToken() function of a smart contract implementation for Business Alliance Financial...

7.5 High

The UBSexToken() function of a smart contract implementation for Business Alliance Financial Circle (BAFC), an tradable Ethereum ERC20 token, allows attackers to change the owner of the contract, because the function is public (by default) and does not check the caller's identity.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

0.93%Up 0.5 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2018-19830
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness: CWE-862
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-19830
Updated: 2026-11-02

EUVDEUVD-2018-11505 No score

Record: EUVD-2018-11505
Updated: 2026-11-03

GitHub AdvisoriesGHSA-pxr5-3mrm-cp72 No score

The UBSexToken() function of a smart contract implementation for Business Alliance Financial...

Record: GHSA-pxr5-3mrm-cp72
Updated: 2026-11-02

Affected products

business alliance financial circle project alliance financial circle

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-19830 is a high vulnerability (CVSS 7.5) in Business Alliance Financial Circle Project Alliance Financial Circle, published December 31, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.93%, the 60th percentile. No source names a fixed version.