CVE-2018-19830: The UBSexToken() function of a smart contract implementation for Business Alliance Financial Circle (BAFC), an

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HIGH 7.5REMOTEMITIGATE

CVE-2018-19830 is a high-severity flaw (CVSS 7.5) affecting business alliance financial circle. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-862
Published	2019-12-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: business alliance financial circle project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-12-31 16:15 UTCPublished CVE record published
2026-06-17 01:49 UTCUpdated Record last modified

business alliance financial circle project business alliance financial circle MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy business-alliance-financial-circle || rpm -q business-alliance-financial-circle || business-alliance-financial-circle --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-19830?

business alliance financial circle: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-19830 being exploited?

CVE-2018-19830 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-19830 affect?

CVE-2018-19830 affects business alliance financial circle. Severity is high (CVSS 7.5). 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)

How urgent is CVE-2018-19830?

Priority 46/100. High severity; Remotely exploitable, no login, no user action

References

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