CVE-2020-37051 HIGH

CVE-2020-37051: Online-Exam-System 2015 - 'feedback' SQL Injection

Vendor Sunnygkp10
Product Online-Exam-System
Weakness CWE-89 · SQLi
Published January 30, 2026
Last update March 5, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Online-Exam-System 2015 contains a time-based blind SQL injection vulnerability in the feedback form that allows attackers to extract database password hashes. Attackers can exploit the 'feed.php' endpoint by crafting malicious payload requests that use time delays to systematically enumerate user password characters.

Key dates

02Disclosure timeline

January 30, 2026 CVE published
March 5, 2026 Record updated