Skip to content
Fencer Intel
high 8.8

CVE-2021-28423 json

Multiple SQL Injection vulnerabilities in Teachers Record Management System 1.0 thru 2.1 allow remote authenticated users to execute arbitr…

published 5y ago modified 4mo ago also EUVD-2021-15102

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

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.

Is CVE-2021-28423 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

2.58% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • nhattruong.blog https://nhattruong.blog/2021/05/22/cve-2021-28423-teachers-record-management-system-1-0-searchdata-error-based-sql-injection-authenticated/ referenced PoC, tagged "exploit" by a source, unverified
  • exploit-db.com https://www.exploit-db.com/exploits/50018 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com https://packetstormsecurity.com/files/163172/Teachers-Record-Management-System-1.0-SQL-Injection.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.