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

> Attackers can exploit a time-based blind SQL injection in the feedback form to extract database password hashes from the Online-Exam-System.

- **Severity:** High 8.8 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Jan 2026
- **Updated:** 5 Mar 2026
- **Also known as:** GHSA-7x34-mvv5-p43g

## What is CVE-2020-37051?

CVE-2020-37051 is a high-severity SQL injection vulnerability in sunnygkp10 Online-Exam-System, published on 30 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

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.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2020-37051?

It affects 1 product.


Products: Sunnygkp10 Online-Exam-System-.

## How do I fix CVE-2020-37051?

No fix has been published for CVE-2020-37051 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-37051 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37051 exists.

## Other vulnerabilities in sunnygkp10 Online-Exam-System

- [CVE-2020-37057](https://insights.sbomify.com/CVE-2020-37057/): Online-Exam-System 2015 - 'fid' SQL Injection (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-37051 and fix it if it is affected.

What it is: CVE-2020-37051 is a high-severity SQL injection vulnerability in sunnygkp10 Online-Exam-System, published on 30 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37051 exists.

Affected product: sunnygkp10 Online-Exam-System. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2020-37051/ (Markdown: https://insights.sbomify.com/CVE-2020-37051/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-37051
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-37051
- OSV: https://osv.dev/vulnerability/CVE-2020-37051

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-37051/
Summaries are generated and may contain mistakes; the official description above is the record.