CVE-2021-44554

5.3 mediumEPSS 1.1%

Medium (5.3) in cybelesoft thinfinity virtualui. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.3 medium

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-203
Published: 2021-12-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cybelesoft:thinfinity_virtualui

References

https://github.com/cybelesoft/virtualui/issues/1
https://github.com/cybelesoft/virtualui/issues/1

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