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

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-17 · updated 2026-06-17
Weakness: CWE-287

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.

Affected products

Excellent Infotek Corporation e-document system: 2.9, 3.0.2

References

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

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