Cyber Resilience

CVE-2021-28423

HighPublic PoC

Published: 01 July 2021

Published
01 July 2021
Modified
28 May 2025
KEV Added
—
Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0172 82.8th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28423 is a high-severity SQL Injection (CWE-89) vulnerability in Phpgurukul Teachers Record Management System. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 17.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-89

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

phpgurukul
teachers record management system
1.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-89

Penetration testing uses SQL injection payloads against database interfaces, identifying and supporting fixes for SQL injection weaknesses.

SI-10 Information Input Validation
addresses: CWE-89

Validates query inputs to prevent SQL syntax or command manipulation.

References