CVE-2021-44554

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Thinfinity VirtualUI before 3.0 allows a malicious actor to enumerate users registered in the OS (Windows) through the /changePassword URI. By accessing the vector, an attacker can determine if a username exists thanks to the message returned; it can be presented in different languages according to the configuration of VirtualUI. Common users are administrator, admin, guest and krgtbt.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-203

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/cybelesoft/virtualui/issues/1Exploit, Issue Tracking, Third Party Advisory
https://github.com/cybelesoft/virtualui/issues/1Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Dec 20, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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