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CoreOS Clair vs Qualys VMDR comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jul 13, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

CoreOS Clair
Ranking in Container Security
29th
Average Rating
8.6
Reviews Sentiment
7.6
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Qualys VMDR
Ranking in Container Security
9th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
94
Ranking in other categories
IT Asset Management (6th), Vulnerability Management (2nd), Configuration Management Databases (2nd), Risk-Based Vulnerability Management (1st)
 

Mindshare comparison

As of August 2025, in the Container Security category, the mindshare of CoreOS Clair is 0.5%, up from 0.4% compared to the previous year. The mindshare of Qualys VMDR is 2.3%, down from 2.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Container Security
 

Featured Reviews

Felipe Giffu - PeerSpot reviewer
An operational system, similar to Linux where you can run your applications inside containers
With CoreOS, you can run your applications inside containers. For example, if you have an application that needs to run on Linux, you can create and install a container. However, it's important to note that you don't install CoreOS inside a container; CoreOS is the host operating system that manages containers. When you mentioned using Nacula as part of your CI/CD pipeline, it means your application is deployed and managed automatically through the CI/CD process. Containers are used to deploy your application within this pipeline, but CoreOS does not run inside these containers. Instead, CoreOS is the base operating system that supports and manages these containers.
Ankesh Raj - PeerSpot reviewer
Real-time responses and reporting streamline vulnerability management
Qualys VMDR provides a real-time response and reporting feature, which is excellent. It allows us to see real-time graphs and reports for every asset, server, and more, which is very user-friendly. Our clients have given good feedback, and they are satisfied with the tool. We use it daily to fix vulnerabilities by connecting with infrastructure to remediate. The feedback from the client side is very good.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"CoreOS Clair's best feature is detection accuracy."
"With CoreOS, you can run your applications inside containers. For example, if you have an application that needs to run on Linux, you can create and install a container. However, it's important to note that you don't install CoreOS inside a container; CoreOS is the host operating system that manages containers."
"This is one of the best products I have worked with so far. I like the power of Qualys, and it's a better solution because you can scan a compact file, a BIT file, or batch files. The product already knows what's happening inside, and you don't need to expand the package. Tenable will do the same thing, but you need to have a package issuance claim. With Qualys, we can immediately understand the file, even a compact file. If there's some kind of discovery or incident, you will know what happened in the environment."
"The most valuable feature is the vulnerability assessment."
"I like the automated report generation and vulnerability report generation."
"Technical support is fantastic."
"It's also highly customizable, allowing us to tailor it to our needs."
"The solution is easy to use."
"The product's patch management is excellent for keeping our critical servers and third-party applications updated efficiently."
"The most valuable features are vulnerability detection and the scanning capability to enable identification of vulnerabilities across our network."
 

Cons

"It can be improved in its support response. They usually take up to seven days to resolve the issue."
"An area for improvement is that CoreOS Clair doesn't provide information about the location of vulnerabilities it detects."
"If anything, I would like to see the user interface modernized a bit more."
"We face issues while scanning multiple assets."
"Qualys VMDR identifies vulnerabilities and suggests fixes. However, it does not automate patching unless the patch management module is purchased separately."
"The solution is a bit expensive if you do not have access to discounts."
"Some of the older features could be polished instead of focusing on releasing new features."
"It's quite complex on the way it is set up, so it takes a fair bit of time in order to get your head around it in order to deploy it. Once you've deployed it, then you're never confident on the versions of the browsers and the SSL certificates, etc. You have to always go back into Qualys and check."
"Endpoint stability and fault resolution could be improved."
"It would be nice to have an all-in-one solution that was automated and could handle the scanning and reports as well as the patching and updating."
 

Pricing and Cost Advice

"CoreOS Clair is open-source and free of charge."
"It is different for every company, but for us, it's every three years."
"Qualys VM is reasonably priced."
"In Nigerian Naira, we spend about roughly four to five million to use this solution and this is expensive compared to solutions like Nessus."
"It is more expensive than other products on the market."
"The pricing is very competitive."
"The solution is costly."
"It's very expensive, especially if you want to use multiple modules of Qualys."
"The solution is reasonably priced for the value it provides."
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Top Industries

By visitors reading reviews
Manufacturing Company
14%
Financial Services Firm
14%
Computer Software Company
11%
Performing Arts
9%
Financial Services Firm
16%
Computer Software Company
12%
Manufacturing Company
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for CoreOS Clair?
If you work with CoreOS or OpenShift, you don't need to pay for CoreOS separately. When you pay for OpenShift, you get CoreOS included, so you don't need to pay for the operating system separately....
What needs improvement with CoreOS Clair?
It can be improved in its support response. They usually take up to seven days to resolve the issue.
What is your primary use case for CoreOS Clair?
We use the tool to manage and secure the event file system. CoreOS Clair is an operational system that is very similar to Linux and offers benefits to other Linux operating systems. One major advan...
What do you like most about Qualys VMDR?
I like that we have many scanners and channels that don't overload. It helps us scan and track easily. Also, the tagging system is good for tagging. We can still use QualysAgent task ID tools even ...
What is your experience regarding pricing and costs for Qualys VMDR?
Qualys offers better pricing and is feature-packed compared to other tools.
What needs improvement with Qualys VMDR?
There were some issues later with Qualys VMDR regarding security, specifically with numerous false positive reports.
 

Also Known As

No data available
Qualys VM, QualysGuard VM, Qualys Asset Inventory, Qualys Container Security
 

Overview

 

Sample Customers

eBay, Veritas, Verizon, SalesForce
Agrokor Group, American Specialty Health, American State Bank, Arval, Life:), Axway, Bank of the West, Blueport Commerce, BSkyB, Brinks, CaixaBank, Cartagena, Catholic Health System, CEC Bank, Cegedim, CIGNA, Clickability, Colby-Sawyer College, Commercial Bank of Dubai, University of Utah, eBay Inc., ING Singapore, National Theatre, OTP Bank, Sodexo, WebEx
Find out what your peers are saying about CoreOS Clair vs. Qualys VMDR and other solutions. Updated: July 2025.
865,295 professionals have used our research since 2012.