CVE-2021-34683

Name: CVE-2021-34683
Creator: NVD / NIST
Published: 2021-06-16T12:15:12.793+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2021-34683 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.08%

60.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Eic	E-Document System	3.0

References

https://github.com/ethancsyang/CveProject/tree/main/CVE-2021-34683Third Party Advisory
https://www.eic.com.tw/eicHome/pro00.htmlVendor Advisory
https://github.com/ethancsyang/CveProject/tree/main/CVE-2021-34683Third Party Advisory
https://www.eic.com.tw/eicHome/pro00.htmlVendor Advisory

Timeline

Published: Jun 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-34683?

How severe is CVE-2021-34683?

CVE-2021-34683 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34683?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-34683?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST