# Ietf vulnerabilities > Ietf has 16 published vulnerabilities across 11 products in our catalogue. 1 of them is on the list of flaws known to be exploited, so criminals are using them now. The most affected product is Ipv6, with 4. If you run Ietf software, patch the exploited flaws first. Canonical page: https://www.precursorintelligence.com/vendors/ietf ## At a glance - **Published vulnerabilities:** 16 - **Known to be exploited:** 1 - **Products:** 11 - **Versions:** 8 - **Most recently added to the known-exploited list:** [CVE-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487), 10 October 2023. We keep watching the list. ## Which Ietf products have the most vulnerabilities? - [Ipv6](https://www.precursorintelligence.com/product/ietf/ipv6): 4 published vulnerabilities, 0 versions - [P802.1q](https://www.precursorintelligence.com/product/ietf/p802.1q): 4 published vulnerabilities, 1 version - Public Key Cryptography Standards #1: 2 published vulnerabilities, 1 version - [HTTP](https://www.precursorintelligence.com/product/ietf/http): 1 published vulnerability, 1 version - [Internet Key Exchange](https://www.precursorintelligence.com/product/ietf/internet_key_exchange): 1 published vulnerability, 1 version - [Md5](https://www.precursorintelligence.com/product/ietf/md5): 1 published vulnerability, 0 versions - [Transport Layer Security](https://www.precursorintelligence.com/product/ietf/transport_layer_security): 1 published vulnerability, 4 versions - [Generic Routing Encapsulation](https://www.precursorintelligence.com/product/ietf/generic_routing_encapsulation): 1 published vulnerability, 0 versions - [X.509 Certificate](https://www.precursorintelligence.com/product/ietf/x.509_certificate): 1 published vulnerability, 0 versions - [Generic Routing Encapsulation6](https://www.precursorintelligence.com/product/ietf/generic_routing_encapsulation6): 1 published vulnerability, 0 versions Each product page lists its own known-exploited flaws. ## Which Ietf vulnerabilities are being exploited? 1 flaw is on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487): HTTP/2 Rapid Reset Attack Vulnerability. High, CVSS 7.5, chance of use in 30 days >99%, known exploited since 10 October 2023. ## Which Ietf 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-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487): >99%, High (CVSS 7.5), known exploited - [CVE-2004-2761](https://www.precursorintelligence.com/what-is/cve-2004-2761): 9.9%, Critical (CVSS 9.8) - [CVE-2007-2242](https://www.precursorintelligence.com/what-is/cve-2007-2242): 5.0%, High (CVSS 7.8) - [CVE-2018-5389](https://www.precursorintelligence.com/what-is/cve-2018-5389): 3.0%, Medium (CVSS 5.9) - [CVE-2016-10142](https://www.precursorintelligence.com/what-is/cve-2016-10142): 2.8%, High (CVSS 8.6) - [CVE-2015-8960](https://www.precursorintelligence.com/what-is/cve-2015-8960): 1.9%, High (CVSS 8.1) - [CVE-2024-7595](https://www.precursorintelligence.com/what-is/cve-2024-7595): 1.6%, Medium (CVSS 6.5) - [CVE-2025-23018](https://www.precursorintelligence.com/what-is/cve-2025-23018): 1.0%, Medium (CVSS 5.4) - [CVE-2025-23019](https://www.precursorintelligence.com/what-is/cve-2025-23019): 1.0%, Medium (CVSS 5.4) - [CVE-2020-20949](https://www.precursorintelligence.com/what-is/cve-2020-20949): 0.9%, Medium (CVSS 5.9) ## All Ietf products we track 5 products with at least one tracked version, most vulnerabilities first: - [P802.1q](https://www.precursorintelligence.com/product/ietf/p802.1q): 4 vulnerabilities, 1 version - Public Key Cryptography Standards #1: 2 vulnerabilities, 1 version - [HTTP](https://www.precursorintelligence.com/product/ietf/http): 1 vulnerability, 1 version - [Internet Key Exchange](https://www.precursorintelligence.com/product/ietf/internet_key_exchange): 1 vulnerability, 1 version - [Transport Layer Security](https://www.precursorintelligence.com/product/ietf/transport_layer_security): 1 vulnerability, 4 versions ## Questions ### How many vulnerabilities does Ietf have? Our catalogue lists 16 published vulnerabilities across 11 products and 8 versions from Ietf. The most recent Ietf flaw added to the known-exploited list is CVE-2023-44487, on 10 October 2023. ### Which Ietf vulnerabilities are being exploited? 1 Ietf vulnerability is on the list of flaws known to be exploited. The most recently added is CVE-2023-44487. The full list is on this page. ### Which Ietf product has the most vulnerabilities? Ipv6, with 4 published vulnerabilities. Its own page lists the ones known to be exploited. ### How do I get alerts for new Ietf vulnerabilities? Create a Precursor Intelligence account and track the Ietf 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 Ietf? 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