CVE-2021-34683: Eic E-Document System

Medium severity, CVSS 5.3. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue was discovered in EXCELLENT INFOTEK CORPORATION (EIC) E-document System 3.0. A remote attacker can use kw/auth/bbs/asp/get_user_email_info_bbs.asp to obtain the contact information (name and e-mail address) of everyone in the entire organization. This information can allow remote attackers to perform social engineering or brute force attacks against the system login page.

Affected products

• Eic E-Document System: version 3.0 only

Published 2021-06-16. Last modified 2026-06-17.