Cloud · head to head
Cilium vs Metasploit
Cilium
Cloud
eBPF-based networking, observability and security for Kubernetes
- From
- Free
- Rated
- -
Metasploit
Cybersecurity
The world's most used penetration testing framework
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Cilium requires a recent Linux kernel, which rules out older distributions and some managed environments; Metasploit the free Framework edition is command line only; the web interface is Pro only
- They diverge on capability: Cilium covers eBPF datapath, Metasploit covers Exploit database.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Cilium and Metasploit actually diverge.
| Attribute | Cilium | Metasploit |
|---|---|---|
| Pricing model | Open source, no licence fee | freemium |
| Platforms | Kubernetes, Linux | Desktop, Cli |
| Category | Cloud | Cybersecurity |
| Founded | Unknown | 2000 |
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Cilium
- eBPF datapath
- Identity-based policy
- Hubble observability
- Sidecar-free mesh
Only in Metasploit
- Exploit database
- Payload generation
- Post-exploitation
- Evasion modules
- Auxiliary scanners
- Social engineering
- Credential harvesting
- Session management
What people use each for
The jobs each tool is most often brought in to do.
Cilium
- Kubernetes networking at a scale where iptables-based CNI performance degradesnot Metasploit
- Network policy expressed on workload identity rather than fragile IP rulesnot Metasploit
- Seeing which services actually talk to each other, and what policy is droppingnot Metasploit
Metasploit
- Penetration testing and exploit development against known vulnerabilitiesnot Cilium
- Validating whether a reported vulnerability is actually exploitablenot Cilium
- Running phishing and credential attack simulations on the Pro editionnot Cilium
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Cilium
- Requires a recent Linux kernel, which rules out older distributions and some managed environments
- eBPF is genuinely hard to debug when it misbehaves, and the skill is rare on most teams
- Broad scope — CNI, policy, mesh, observability — means the learning curve covers several domains at once
Metasploit
- The free Framework edition is command line only; the web interface is Pro only
- Automated exploitation, automated credential attacks and antivirus evading dynamic payloads are restricted to Metasploit Pro
- Reporting, audit wizards, task chains and closed loop vulnerability validation are Pro only
- Rapid7 publishes no price for Metasploit Pro and routes buyers to contact sales
Pricing, plan by plan
Cilium
Free- CiliumFree
- Full functionality
- No usage limits
- Community support
Metasploit
Free- Metasploit Framework (OSS)Free
- Open source
- 1500+ exploits
- Command line
- Metasploit ProFree
- Web interface
- Automated testing
- Phishing campaigns
Which should you pick?
Choose Cilium if
- You need ebpf datapath.
- You want to start without paying.
- You work on Kubernetes, Linux.
- You also want identity-based policy.
Choose Metasploit if
- You need exploit database.
- You want to start without paying.
- You work on Desktop, Cli.
- You also want payload generation.
Questions people ask
- Is Cilium or Metasploit better?
- Neither clearly leads. Cilium starts at Free and Metasploit at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Cilium or Metasploit?
- Cilium starts at Free and Metasploit at Free.
- Does Cilium or Metasploit run on more platforms?
- Cilium runs on Kubernetes, Linux. Metasploit runs on Desktop, Cli.
- Can I use Cilium for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Cilium best used for?
- Cilium is most often used for kubernetes networking at a scale where iptables-based cni performance degrades, network policy expressed on workload identity rather than fragile ip rules, seeing which services actually talk to each other, and what policy is dropping. Of those, kubernetes networking at a scale where iptables-based cni performance degrades and network policy expressed on workload identity rather than fragile ip rules are not what Metasploit is typically brought in for.
- What can Cilium do that Metasploit cannot?
- Cilium covers eBPF datapath, Identity-based policy, Hubble observability, Sidecar-free mesh. Metasploit covers Exploit database, Payload generation, Post-exploitation, Evasion modules.
Answered from the vendors’ own pages
Cilium: Is Cilium free?
Yes, open source and CNCF-graduated. Isovalent sells an enterprise distribution and support.
Metasploit: Is Metasploit Framework free to use?
Yes, Metasploit Framework is available as free open-source software with source code accessible via GitHub. Community support is provided through Slack, GitHub, Twitter, and email.
SourceCilium: What does eBPF change?
It lets Cilium run packet-processing programs inside the kernel instead of relying on iptables rule chains, which behave poorly as the number of services grows.
Metasploit: What is the difference between Metasploit Framework and Metasploit Pro?
Metasploit Framework is the free open-source version. Metasploit Pro is a commercial offering with customer support from Rapid7, though specific pricing and features are not detailed on the download page.
SourceCilium: Does Cilium replace a service mesh?
It can cover much of what a mesh does without sidecars, though full mesh feature sets still favour Istio or Linkerd.
Metasploit: What support is available for the free Framework version?
Community-based support for Metasploit Framework is available through Slack, GitHub, Twitter, and email ([email protected]). Commercial customers using Metasploit Pro receive customer support from Rapid7.
SourceRelated pages
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