CVE-2021-28423

Name: CVE-2021-28423
Creator: NVD / NIST
Published: 2021-07-01T15:15:08.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.35%

Last modified Jun 17, 2026

CVE-2021-28423 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Multiple SQL Injection vulnerabilities in Teachers Record Management System 1.0 thru 2.1 allow remote authenticated users to execute arbitrary SQL commands via the 'editid' GET parameter in edit-subjects-detail.php, edit-teacher-detail.php, or the 'searchdata' POST parameter in search.php.. EPSS estimates a 2.35% chance of exploitation in the next 30 days.

Description

Multiple SQL Injection vulnerabilities in Teachers Record Management System 1.0 thru 2.1 allow remote authenticated users to execute arbitrary SQL commands via the 'editid' GET parameter in edit-subjects-detail.php, edit-teacher-detail.php, or the 'searchdata' POST parameter in search.php.

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

2.35%

81.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Phpgurukul	Teachers Record Management System	1.0

References

https://nhattruong.blog/2021/05/22/cve-2021-28423-teachers-record-management-system-1-0-searchdata-error-based-sql-injection-authenticated/Exploit, Third Party Advisory
https://packetstormsecurity.com/files/163172/Teachers-Record-Management-System-1.0-SQL-Injection.htmlExploit, Third Party Advisory, VDB Entry
https://phpgurukul.com/teachers-record-management-system-using-php-and-mysql/Product
https://www.exploit-db.com/exploits/50018Exploit, Third Party Advisory, VDB Entry
https://nhattruong.blog/2021/05/22/cve-2021-28423-teachers-record-management-system-1-0-searchdata-error-based-sql-injection-authenticated/Exploit, Third Party Advisory
https://packetstormsecurity.com/files/163172/Teachers-Record-Management-System-1.0-SQL-Injection.htmlExploit, Third Party Advisory, VDB Entry
https://phpgurukul.com/teachers-record-management-system-using-php-and-mysql/Product
https://www.exploit-db.com/exploits/50018Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Jul 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28423?

How severe is CVE-2021-28423?

CVE-2021-28423 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.35% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28423?

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-2021-28423?

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

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Source: NVD / NIST