# 6. Vulnerable and Outdated Components

{% embed url="<https://owasp.org/Top10/A06_2021-Vulnerable_and_Outdated_Components/>" %}

## Description <a href="#description" id="description"></a>

You are likely vulnerable:

* If you do not know the versions of all components you use (both client-side and server-side). This includes components you directly use as well as nested dependencies.
* If the software is vulnerable, unsupported, or out of date. This includes the OS, web/application server, database management system (DBMS), applications, APIs and all components, runtime environments, and libraries.
* If you do not scan for vulnerabilities regularly and subscribe to security bulletins related to the components you use.
* If you do not fix or upgrade the underlying platform, frameworks, and dependencies in a risk-based, timely fashion. This commonly happens in environments when patching is a monthly or quarterly task under change control, leaving organizations open to days or months of unnecessary exposure to fixed vulnerabilities.
* If software developers do not test the compatibility of updated, upgraded, or patched libraries.
* If you do not secure the components’ configurations (see [A05:2021-Security Misconfiguration](https://owasp.org/Top10/A05_2021-Security_Misconfiguration/)).

## THM Lab

### Task x


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