CVE-2021-22859

Name: CVE-2021-22859
Creator: NVD / NIST
Published: 2021-03-17T09:15:12.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.75%

Last modified Jun 17, 2026

CVE-2021-22859 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The users’ data querying function of EIC e-document system does not filter the special characters which resulted in remote attackers can inject SQL syntax and execute arbitrary commands without privilege.. EPSS estimates a 3.75% chance of exploitation in the next 30 days.

Description

The users’ data querying function of EIC e-document system does not filter the special characters which resulted in remote attackers can inject SQL syntax and execute arbitrary commands without privilege.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.75%

88.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Eic	E-Document System	3.0.2

References

https://gist.github.com/tonykuo76/807c838b75879b0d327782dfcd2c3beaThird Party Advisory
https://www.chtsecurity.com/news/c974fd28-c19b-4003-82f3-818904057496Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-4517-51e25-1.htmlThird Party Advisory
https://gist.github.com/tonykuo76/807c838b75879b0d327782dfcd2c3beaThird Party Advisory
https://www.chtsecurity.com/news/c974fd28-c19b-4003-82f3-818904057496Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-4517-51e25-1.htmlThird Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-22859?

How severe is CVE-2021-22859?

CVE-2021-22859 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.75% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22859?

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-2021-22859?

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

Scan your code now

Source: NVD / NIST