CVE-2020-37051

Online-Exam-System 2015 - 'feedback' SQL Injection

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.

Affected

sunnygkp10 · Online-Exam-System

CVSS v4.0 VULNCHECK

8.8 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 VULNCHECK

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

EPSS

0.41% chance of exploitation in the next 30 days, 34th percentile

Published

2026-01-30

Updated

2026-03-05

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/48560

Security advisories

• sunnygkp10/Online-Exam-System-.git

References

• CVE Record
• NVD entry