VULNERABILITY INTELLIGENCE

CVE-2021-44554

CVSS score5.3 MEDIUM
EPSS probability1.06%
CISA KEVNot currently listed
Published2021-12-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-203

Primary references