# Big-IP Carrier-Grade Nat vulnerabilities > Big-IP Carrier-Grade Nat is made by F5. We track 35 published vulnerabilities in it, across 67 versions. 3 of them are on the list of flaws known to be exploited, the newest added on 31 October 2023. If you run Big-IP Carrier-Grade Nat, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/f5/big-ip_carrier-grade_nat ## At a glance - **Made by:** [F5](https://www.precursorintelligence.com/vendors/f5) - **Published vulnerabilities:** 35 - **Known to be exploited:** 3 - **Versions tracked:** 67 - **Most recently added to the known-exploited list:** [CVE-2023-46747](https://www.precursorintelligence.com/what-is/cve-2023-46747), 31 October 2023. We keep watching the list. ## Which versions of Big-IP Carrier-Grade Nat do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2023-46747](https://www.precursorintelligence.com/what-is/cve-2023-46747) (F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability): 13.1.0 to 13.1.5, 14.1.0 to 14.1.5, 15.1.0 to 15.1.10, 16.1.0 to 16.1.4, 17.1.0 to 17.1.1 - [CVE-2023-46748](https://www.precursorintelligence.com/what-is/cve-2023-46748) (F5 BIG-IP Configuration Utility SQL Injection Vulnerability): 13.1.0 to 13.1.5, 14.1.0 to 14.1.5, 15.1.0 to 15.1.10, 16.1.0 to 16.1.4, 17.1.0 to 17.1.1 - [CVE-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487) (HTTP/2 Rapid Reset Attack Vulnerability): 13.1.0 to 13.1.5, 14.1.0 to 14.1.5, 15.1.0 to 15.1.10, 16.1.0 to 16.1.4, 17.1.0 ## Which Big-IP Carrier-Grade Nat vulnerabilities are being exploited? 3 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2023-46747](https://www.precursorintelligence.com/what-is/cve-2023-46747): F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 97%, known exploited since 31 October 2023. - [CVE-2023-46748](https://www.precursorintelligence.com/what-is/cve-2023-46748): F5 BIG-IP Configuration Utility SQL Injection Vulnerability. High, CVSS 8.8, chance of use in 30 days 4.5%, known exploited since 31 October 2023. - [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 Big-IP Carrier-Grade Nat 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-2023-46747](https://www.precursorintelligence.com/what-is/cve-2023-46747): 97%, Critical (CVSS 9.8), known exploited - [CVE-2002-20001](https://www.precursorintelligence.com/what-is/cve-2002-20001): 25%, High (CVSS 7.5) - [CVE-2023-46748](https://www.precursorintelligence.com/what-is/cve-2023-46748): 4.5%, High (CVSS 8.8), known exploited - [CVE-2023-41373](https://www.precursorintelligence.com/what-is/cve-2023-41373): 2.3%, Critical (CVSS 9.9) - [CVE-2023-28406](https://www.precursorintelligence.com/what-is/cve-2023-28406): 1.2%, Medium (CVSS 4.3) - [CVE-2022-28716](https://www.precursorintelligence.com/what-is/cve-2022-28716): 0.8%, High (CVSS 8.8) - [CVE-2023-42768](https://www.precursorintelligence.com/what-is/cve-2023-42768): 0.7%, High (CVSS 7.2) - [CVE-2023-40534](https://www.precursorintelligence.com/what-is/cve-2023-40534): 0.7%, High (CVSS 7.5) ## Questions ### How many vulnerabilities does Big-IP Carrier-Grade Nat have? We track 35 published vulnerabilities listed under the name Big-IP Carrier-Grade Nat, across 67 versions. The most recent Big-IP Carrier-Grade Nat flaw added to the known-exploited list is CVE-2023-46747, on 31 October 2023. ### Which Big-IP Carrier-Grade Nat vulnerabilities are being exploited? 3 are on the list of flaws known to be exploited. The most recently added are CVE-2023-46747, CVE-2023-46748 and CVE-2023-44487. ### Which versions of Big-IP Carrier-Grade Nat do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2023-46747, affects 13.1.0 to 13.1.5, 14.1.0 to 14.1.5, 15.1.0 to 15.1.10, 16.1.0 to 16.1.4 and more. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Big-IP Carrier-Grade Nat? Create a Precursor Intelligence account and track Big-IP Carrier-Grade Nat. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook. ## Running Big-IP Carrier-Grade Nat? 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