What’s Vulnerable › Vulnerabilities

CVE-2021-34683

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-16 · updated 2026-06-17

Description

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

• Excellent Infotek Corporation e-document system: 3.0

References

• https://github.com/ethancsyang/CveProject/tree/main/CVE-2021-34683
• https://www.eic.com.tw/eicHome/pro00.html
• https://github.com/ethancsyang/CveProject/tree/main/CVE-2021-34683
• https://www.eic.com.tw/eicHome/pro00.html

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