CVE-2019-11233: Eic Biyan

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

EXCELLENT INFOTEK BiYan v1.57 ~ v2.8 allows an attacker to leak user information without being authenticated, by sending a LOGIN_ID element to the auth/main/asp/check_user_login_info.aspx URI, and then reading the response, as demonstrated by the KW_EMAIL or KW_TEL field.

Affected products

• Eic Biyan: from 1.57, up to and including 2.8

Published 2019-06-19. Last modified 2026-06-17.