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nucleivulns

What is the purpose of nuclei?

Nuclei is a fast and customizable vulnerability scanner based on simple YAML-based DSL. It is used to send requests across targets based on templates, leading to zero false positives and providing fast scanning on a large number of hosts.

Core Features

Template-based vulnerability scanning
Extensive library of community-contributed templates
Fast and concurrent execution
Easy integration into CI/CD pipelines

Common Nuclei Commands

1. Basic Scan

Runs default templates against a single target.

bash

nuclei -u <target>

2. Scan with Specific Templates

Runs templates from a specific directory or file.

bash

nuclei -u <target> -t cves/

3. Scan List of Targets

Runs templates against a list of URLs from a file.

bash

nuclei -l urls.txt

4. Filter by Severity

Runs only templates with specified severity levels.

bash

nuclei -u <target> -severity critical,high

Output Examples of Nuclei Commands

[CVE-2021-44228] [http] [critical] https://example.com/login
[exposed-git-config] [http] [high] https://example.com/.git/config

Katana

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