17 Best Vulnerability Assessment Scanning Tools (2023)

Vulnerability scanning or vulnerability assessment is a systematic process of finding security loopholes in any system addressing the potential vulnerabilities.

The purpose of vulnerability assessments is to prevent the possibility of unauthorized access to systems. Vulnerability testing preserves the confidentiality, integrity, and availability of the system. The system refers to any computers, networks, network devices, software, web application, cloud computing, etc.

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Types of Vulnerability Scanners

Vulnerability scanners have their ways of doing jobs. We can classify the vulnerability scanners into four types based on how they operate.

Cloud-Based Vulnerability Scanners

Used to find vulnerabilities within cloud-based systems such as web applications, WordPress, and Joomla.

Host-Based Vulnerability Scanners

Used to find vulnerabilities on a single host or system such as an individual computer or a network device like a switch or core-router.

Network-Based Vulnerability Scanners

Used to find vulnerabilities in an internal network by scanning for open ports. Services running on open ports determined whether vulnerabilities exist or not with the help of the tool.

Database-Based Vulnerability Scanners

Used to find vulnerabilities in database management systems. Databases are the backbone of any system storing sensitive information. Vulnerability scanning is performed on database systems to prevent attacks like SQL Injection.

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Vulnerability Scanning Tools

Vulnerability scanning tools allow for the detection of vulnerabilities in applications using many ways. Code analysis vulnerability tools analyze coding bugs. Audit vulnerability tools can find well-known rootkits, backdoor, and trojans.

There are many vulnerability scanners available in the market. They can be free, paid, or open-source. Most of the free and open-source tools are available on GitHub. Deciding which tool to use depends on a few factors such as vulnerability type, budget, frequency of how often the tool is updated, etc.

1. Nikto2

Nikto2 is an open-source vulnerability scanning software that focuses on web application security. Nikto2 can find around 6700 dangerous files causing issues to web servers and report outdated servers based versions. On top of that, Nikto2 can alert on server configuration issues and perform web server scans within a minimal time.
Nikto2 doesn’t offer any countermeasures for vulnerabilities found nor provide risk assessment features. However, Nikto2 is a frequently updated tool that enables a broader coverage of vulnerabilities.

2. Netsparker

Netsparker is another web application vulnerability tool with an automation feature available to find vulnerabilities. This tool is also capable of finding vulnerabilities in thousands of web applications within a few hours.
Although it is a paid enterprise-level vulnerability tool, it has many advanced features. It has crawling technology that finds vulnerabilities by crawling into the application. Netsparker can describe and suggest mitigation techniques for vulnerabilities found. Also, security solutions for advanced vulnerability assessment are available.

3. OpenVAS

OpenVAS is a powerful vulnerability scanning tool that supports large-scale scans which are suitable for organizations. You can use this tool for finding vulnerabilities not only in the web application or web servers but also in databases, operating systems, networks, and virtual machines.
OpenVAS receives updates daily, which broadens the vulnerability detection coverage. It also helps in risk assessment and suggests countermeasures for the vulnerabilities detected.

4. W3AF

W3AF is a free and open-source tool known as Web Application Attack and Framework. This tool is an open-source vulnerability scanning tool for web applications. It creates a framework which helps to secure the web application by finding and exploiting the vulnerabilities. This tool is known for user-friendliness. Along with vulnerability scanning options, W3AF has exploitation facilities used for penetration testing work as well.
Moreover, W3AF covers a high-broaden collection of vulnerabilities. Domains that are attacked frequently, especially with newly identified vulnerabilities, can select this tool.

5. Arachni

Arachni is also a dedicated vulnerability tool for web applications. This tool covers a variety of vulnerabilities and is updated regularly. Arachni provides facilities for risk assessment as well as suggests tips and countermeasures for vulnerabilities found.
Arachni is a free and open-source vulnerability tool that supports Linux, Windows, and macOS. Arachni also assists in penetration testing by its ability to cope up with newly identified vulnerabilities.

6. Acunetix

Acunetix is a paid web application security scanner (open-source version also available) with many functionalities provided. Around 6500 vulnerabilities scanning range is available with this tool. In addition to web applications, it can also find vulnerabilities in the network as well.
Acunetix provides the ability to automate your scan. Suitable for large scale organizations as it can handle many devices. HSBC, NASA, USA Air force are few industrial giants who use Arachni for vulnerability tests.

7. Nmap

Nmap is one of the well-known free and open-source network scanning tools among many security professionals. Nmap uses the probing technique to discover hosts in the network and for operating system discovery.
This feature helps in detecting vulnerabilities in single or multiple networks. If you are new or learning with vulnerabilities scanning, then Nmap is a good start.

Learn how to efficiently use Nmap by reading our in-depth article on Nmap commands. If you need an installation guide, refer to How to Install Nmap on Ubuntu.

8. OpenSCAP

OpenSCAP is a framework of tools that assist in vulnerability scanning, vulnerability assessment, vulnerability measurement, creating security measures. OpenSCAP is a free and open-source tool developed by communities. OpenSCAP only supports Linux platforms.
OpenSCAP framework supports vulnerability scanning on web applications, web servers, databases, operating systems, networks, and virtual machines. Moreover, they provide a facility for risk assessment and support to counteract threats.

9. GoLismero

GoLismero is a free and open-source tool used for vulnerability scanning. GoLismero focuses on finding vulnerabilities on web applications but also can scan for vulnerabilities in the network as well. GoLismero is a convenient tool that works with results provided by other vulnerability tools such as OpenVAS, then combines the results and provides feedback.
GoLismero covers a wide range of vulnerabilities, including database and network vulnerabilities. Also, GoLismero facilitates countermeasures for vulnerabilities found.

10. Intruder

Intruder is a paid vulnerability scanner specifically designed to scan cloud-based storage. Intruder software starts to scan immediately after a vulnerability is released. The scanning mechanism in Intruder is automated and constantly monitors for vulnerabilities.
Intruder is suitable for enterprise-level vulnerability scanning as it can manage many devices. In addition to monitoring cloud-storage, Intruder can help identify network vulnerabilities as well as provide quality reporting and suggestions.

11. Comodo HackerProof

With Comodo Hackerproof you will be able to reduce cart abandonment, perform daily vulnerability scanning, and use the included PCI scanning tools. You can also utilize the drive-by attack prevention feature and build valuable trust with your visitors. Thanks to the benefit of Comodo Hackerproof, many businesses can convert more visitors into buyers.

Buyers tend to feel safer when making a transaction with your business, and you should find that this drives your revenue up. With the patent-pending scanning technology, SiteInspector, you will enjoy a new level of security.

12. Aircrack

Aircrack also is known as Aircrack-NG, is a set of tools used for assessing the WiFi network security. These tools can also be utilized in network auditing, and support multiple OS’s such as Linux, OS X, Solaris, NetBSD, Windows, and more.

The tool will focus on different areas of WiFi security, such as monitoring the packets and data, testing drivers and cards, cracking, replying to attacks, etc. This tool allows you to retrieve the lost keys by capturing the data packets.

13. Retina CS Community

Retina CS Community is an open-source web-based console that will enable you to make a more centralized and straightforward vulnerability management system. Retina CS Community has features like compliance reporting, patching, and configuration compliance, and because of this, you can perform an assessment of cross-platform vulnerability.

The tool is excellent for saving time, cost, and effort when it comes to managing your network security. It features an automated vulnerability assessment for DBs, web applications, workstations, and servers. Businesses and organizations will get complete support for virtual environments with things like virtual app scanning and vCenter integration.

14. Microsoft Baseline Security Analyzer (MBSA)

An entirely free vulnerability scanner created by Microsoft, it’s used for testing your Windows server or windows computer for vulnerabilities. The Microsoft Baseline Security Analyzer has several vital features, including scanning your network service packets, checking for security updates or other windows updates, and more. It is the ideal tool for Windows users.

It’s excellent for helping you to identify missing updates or security patches. Use the tool to install new security updates on your computer. Small to medium-sized businesses find the tool most useful, and it helps save the security department money with its features. You won’t need to consult a security expert to resolve the vulnerabilities that the tool finds.

15. Nexpose

Nexpose is an open-source tool that you can use for no cost. Security experts regularly use this tool for vulnerability scanning. All the new vulnerabilities are included in the Nexpose database thanks to the Github community. You can use this tool with the Metasploit Framework, and you can rely on it to provide a detailed scanning of your web application. Before generating the report, it will take various elements into account.

Vulnerabilities are categorized by the tool according to their risk level and ranked from low to high. It’s capable of scanning new devices, so your network remains secure. Nexpose is updated each week, so you know it will find the latest hazards.

16. Nessus Professional

Nessus is a branded and patented vulnerability scanner created by Tenable Network Security. Nessus will prevent the networks from attempts made by hackers, and it can scan the vulnerabilities that permit remote hacking of sensitive data.

The tool offers an extensive range of OS, Dbs, applications, and several other devices among cloud infrastructure, virtual and physical networks. Millions of users trust Nessus for their vulnerability assessment and configuration issues.

17. SolarWinds Network Configuration Manager

SolarWinds Network Configuration Manager has consistently received high praise from users. The vulnerability assessment tool features that it includes addresses a specific type of vulnerability that many other options do not, such as misconfigured networking equipment. This feature sets it apart from the rest. The primary utility as a vulnerability scanning tool is in the validation of network equipment configurations for errors and omissions. It can also be used to check device configurations for changes periodically.

It integrates with the National Vulnerability Database and has access to the most current CVE’s to identify vulnerabilities in your Cisco devices. It will work with any Cisco device running ASA, IOS, or Nexus OS.

Vulnerability Assessment Secures Your Network

If an attack starts by modifying device networking configuration, the tools will be able to identify and put a stop to it. They assist you with regulatory compliance with their ability to detect out-of-process changes, audit configurations, and even correct violations.

To implement a vulnerability assessment, you should follow a systematic process as the one outlined below.

Step 1 – Begin the process by documenting, deciding what tool/tools to use, obtain the necessary permission from stakeholders.

Step 2 – Perform vulnerability scanning using the relevant tools. Make sure to save all the outputs from those vulnerability tools.

Step 3 – Analyse the output and decide which vulnerabilities identified could be a possible threat. You can also prioritize the threats and find a strategy to mitigate them.

Step 4 – Make sure you document all the outcomes and prepare reports for stakeholders.

Step 5 – Fix the vulnerabilities identified.

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Advantages of Scanning for Vulnerabilities

Vulnerability scanning keeps systems secure from external threats. Other benefits include:

  • Affordable – Many vulnerability scanners are available free of charge.
  • Quick – Assessment takes a few hours to complete.
  • Automate – can use automated functions available in the vulnerability tools to perform scans regularly without manual involvement.
  • Performance – vulnerability scanners perform almost all the well-known vulnerability scan.
  • Cost/Benefit – reduce cost and increase benefits by optimizing security threats.

Vulnerability assessments are a core component of every information security risk management strategy.

One of the more modern information security risk management models is the Continuous Threat Exposure Management (CTEM) model. Vulnerability assessments play a key role in CTEM's fourth phase, validation.

Vulnerability Testing Decreases Risk

Whichever vulnerability tool you decide to use, choosing the ideal one will depend on security requirements and the ability to analyze your systems. Identify and deal with security vulnerabilities before it’s too late.

Take this opportunity now to look into the features provided by each of the tools mentioned, and select one that’s suitable for you. If you need help, reach out to one of our experts today for a consultation.

Learn about more of the best networking toolsto improve your overall security.

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Goran Jevtic

Goran combines his leadership skills and passion for research, writing, and technology as a Technical Writing Team Lead at phoenixNAP. Working with multiple departments and on various projects, he has developed an extraordinary understanding of cloud and virtualization technology trends and best practices.


Which tool is used for vulnerability assessment? ›

Aircrack is a vulnerability detection tool is popularly used to assess Wi-Fi network security. Aircrack tools are used in the network auditing process as well. Aircrack tool supports multiple operating systems such as Solaris, NetBSD, Windows, and more.

Which of the following is best used with vulnerability assessment? ›

Explanation: White box testing provides the penetration testers information about the target network before they start their work. This information can include such details as IP addresses, network infrastructure schematics and the protocols used plus the source code.

What is Rapid7 scan? ›

Rapid7 InsightVM is the leading network vulnerability scanner for protecting today's modern IT environment.

Which is better Qualys vs Nessus? ›

Comparison Results: Based on the parameters we compared, both products have an easy deployment, unique features, and reasonable service and support. However, users rated Tenable Nessus as a slightly better solution. To learn more, read our detailed Qualys VMDR vs. Tenable Nessus Report (Updated: March 2023).

What are three 3 tools used to test a network for vulnerabilities? ›

Database penetration testing tools.

nmap and sqlmap are important tools for this purpose. So are SQL Recon, an active and passive scanner that specifically targets and tries to identify all Microsoft SQL Server on a network, and BSQL Hacker, an automated SQL injection tool.

What are the three types of vulnerability scanners? ›

Here are three common types of vulnerability scans: Network-based, application, and cloud vulnerability scanners. Learn about their features, pros and cons, how they work, and when to use each type.

What are the two types of security assessments in vulnerability management? ›

Vulnerability Assessment and Penetration Testing (VAPT) are two types of vulnerability testing. The tests have different strengths and are often combined to achieve a more complete vulnerability analysis.

Which type of vulnerability scan can usually identify the most vulnerabilities? ›

Network Scanning

This is one of the most vital among all the vulnerability scanning types. Network vulnerability scanning is the process of identifying the security vulnerabilities in an organization's network infrastructure.

What is a vulnerability management tool? ›

Vulnerability management tools proactively look for weaknesses by scanning and identifying assets and vulnerabilities in the network and providing remediation suggestions to mitigate the potential for future security breaches. It is an important way for companies to stay one step ahead of hackers.

Is Rapid7 better than Nessus? ›

Rapid7 InsightVM is a more professional tool than Nessus because historically, it was based on metasploit which is a powerful pentesting and exploiting tool. InsightVM covers more attacking scenarios and vulnerabilities than competitors and still a leader in this domain.

What is the difference between Qualys and Rapid7? ›

Qualys provides its customers with continuous monitoring, vulnerability management, compliance solutions, and web application firewalls. Rapid7 provides world-class services for application security, vulnerability management, and SIEM.

What kind of tool is Rapid7? ›

Rapid7's cloud-native Insight Platform equips you with the visibility, analytics, and automation you need to unite your teams and work smarter.

Why is Nessus scanner the best? ›

Tenable Nessus is versatile and flexible to use. This software can be used to security scans, network scanning, vulnerability assessment and scanning. It's interface is user friendly and anyone can use it very easily. It has ability to automate scanning and reporting tasks.

How much does Qualys vulnerability scanning cost? ›

QualysGuard per-scan subscription packages, available immediately, range from $4,995 for 250 scans to $149,995 for 100,000 scans. A scan includes one scan of one IP address one time and subscription packages are based on a prepaid annual license fee that is valid for one-year usage.

Is Nessus the best scanner? ›

Without a doubt, one of the best vulnerability scanners on the market. I have used Nessus for performing the vulnerability scans largely. It is largely used for doing vulnerability assessments and penetration …

Is Nessus a vulnerability assessment tool? ›

Nessus is a platform developed by Tenable that scans for security vulnerabilities in devices, applications, operating systems, cloud services and other network resources. Originally launched as an open source tool in 1998, its enterprise edition became a commercial product in 2005.

Which Azure security tool can be used for vulnerability assessment? ›

Qualys's scanner is the leading tool for identifying vulnerabilities in your Azure virtual machines.

What is vulnerability assessment tool for SQL server? ›

SQL vulnerability assessment (VA) is a service that provides visibility into your security state, and includes actionable steps to resolve security issues and enhance your database security. It can help you: Meet compliance requirements that require database scan reports. Meet data privacy standards.

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