# Cncf vulnerabilities > Cncf has 8 published vulnerabilities across 10 products in our catalogue. None of them is on the list of flaws known to be exploited today. The most affected product is Envoy, with 3. If you run Cncf software, patch the exploited flaws first. Canonical page: https://www.precursorintelligence.com/vendors/cncf ## At a glance - **Published vulnerabilities:** 8 - **Known to be exploited:** 0 - **Products:** 10 - **Versions:** 273 ## Which Cncf products have the most vulnerabilities? - [Envoy](https://www.precursorintelligence.com/product/cncf/envoy): 3 published vulnerabilities, 1 version - [Crossplane](https://www.precursorintelligence.com/product/cncf/crossplane): 2 published vulnerabilities, 81 versions - [Spire](https://www.precursorintelligence.com/product/cncf/spire): 2 published vulnerabilities, 33 versions - [Portmap](https://www.precursorintelligence.com/product/cncf/portmap): 1 published vulnerability, 13 versions - [Modular Open Smart Network](https://www.precursorintelligence.com/product/cncf/modular_open_smart_network): 0 published vulnerabilities, 36 versions - [Opentelemetry-Go Contrib](https://www.precursorintelligence.com/product/cncf/opentelemetry-go_contrib): 0 published vulnerabilities, 23 versions - [Knative Func](https://www.precursorintelligence.com/product/cncf/knative_func): 0 published vulnerabilities, 51 versions - [Cni Network Plugins](https://www.precursorintelligence.com/product/cncf/cni_network_plugins): 0 published vulnerabilities, 18 versions - [Harbor](https://www.precursorintelligence.com/product/cncf/harbor): 0 published vulnerabilities, 15 versions - [Argo Continuous Delivery](https://www.precursorintelligence.com/product/cncf/argo_continuous_delivery): 0 published vulnerabilities, 2 versions Each product page lists its own known-exploited flaws. ## Which Cncf vulnerabilities are being exploited? None of Cncf's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list. ## Which Cncf flaws are most likely to be used? Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days): - [CVE-2019-9946](https://www.precursorintelligence.com/what-is/cve-2019-9946): 3.2%, High (CVSS 7.5) - [CVE-2020-8659](https://www.precursorintelligence.com/what-is/cve-2020-8659): 1.9%, High (CVSS 7.5) - [CVE-2020-8661](https://www.precursorintelligence.com/what-is/cve-2020-8661): 1.9%, High (CVSS 7.5) - [CVE-2020-8664](https://www.precursorintelligence.com/what-is/cve-2020-8664): 1.3%, Medium (CVSS 5.3) - [CVE-2023-38495](https://www.precursorintelligence.com/what-is/cve-2023-38495): 0.8%, Critical (CVSS 9.8) - [CVE-2021-27099](https://www.precursorintelligence.com/what-is/cve-2021-27099): 0.7%, Medium (CVSS 6.8) - [CVE-2023-37900](https://www.precursorintelligence.com/what-is/cve-2023-37900): 0.6%, Low (CVSS 2.7) - [CVE-2021-27098](https://www.precursorintelligence.com/what-is/cve-2021-27098): 0.6%, High (CVSS 8.1) ## All Cncf products we track 10 products with at least one tracked version, most vulnerabilities first: - [Envoy](https://www.precursorintelligence.com/product/cncf/envoy): 3 vulnerabilities, 1 version - [Crossplane](https://www.precursorintelligence.com/product/cncf/crossplane): 2 vulnerabilities, 81 versions - [Spire](https://www.precursorintelligence.com/product/cncf/spire): 2 vulnerabilities, 33 versions - [Portmap](https://www.precursorintelligence.com/product/cncf/portmap): 1 vulnerability, 13 versions - [Modular Open Smart Network](https://www.precursorintelligence.com/product/cncf/modular_open_smart_network): 0 vulnerabilities, 36 versions - [Opentelemetry-Go Contrib](https://www.precursorintelligence.com/product/cncf/opentelemetry-go_contrib): 0 vulnerabilities, 23 versions - [Knative Func](https://www.precursorintelligence.com/product/cncf/knative_func): 0 vulnerabilities, 51 versions - [Cni Network Plugins](https://www.precursorintelligence.com/product/cncf/cni_network_plugins): 0 vulnerabilities, 18 versions - [Harbor](https://www.precursorintelligence.com/product/cncf/harbor): 0 vulnerabilities, 15 versions - [Argo Continuous Delivery](https://www.precursorintelligence.com/product/cncf/argo_continuous_delivery): 0 vulnerabilities, 2 versions ## Questions ### How many vulnerabilities does Cncf have? Our catalogue lists 8 published vulnerabilities across 10 products and 273 versions from Cncf. ### Which Cncf vulnerabilities are being exploited? None of Cncf's vulnerabilities is on the list of flaws known to be exploited today. ### Which Cncf product has the most vulnerabilities? Envoy, with 3 published vulnerabilities. Its own page lists the ones known to be exploited. ### How do I get alerts for new Cncf vulnerabilities? Create a Precursor Intelligence account and track the Cncf products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook. ## Running Cncf? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact