CVE-2021-42333

Name: CVE-2021-42333
Creator: NVD / NIST
Published: 2021-10-15T12:15:07.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.09%

Last modified Jun 17, 2026

CVE-2021-42333 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The Easytest contains SQL injection vulnerabilities. After obtaining user’s privilege, remote attackers can inject SQL commands into the parameters of the learning history page to access all database and obtain administrator permissions.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

The Easytest contains SQL injection vulnerabilities. After obtaining user’s privilege, remote attackers can inject SQL commands into the parameters of the learning history page to access all database and obtain administrator permissions.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.09%

61.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Huaju	Easytest Online Learning Test Platform	1705

References

https://www.twcert.org.tw/tw/cp-132-5203-00de8-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-5203-00de8-1.htmlThird Party Advisory

Timeline

Published: Oct 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42333?

How severe is CVE-2021-42333?

CVE-2021-42333 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42333?

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-2021-42333?

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

Scan your code now

Source: NVD / NIST