# Ex4400 vulnerabilities > Ex4400 is made by Juniper. We track 17 published vulnerabilities listed under that exact name, across 0 versions. 3 of them are on the list of flaws known to be exploited, the newest added on 13 November 2023. Juniper lists newer releases under their own names, such as Ex4400 Multigigabit, so check those pages too. Canonical page: https://www.precursorintelligence.com/product/juniper/ex4400 ## At a glance - **Made by:** [Juniper](https://www.precursorintelligence.com/vendors/juniper) - **Published vulnerabilities:** 17 - **Known to be exploited:** 3 (listed under the name Ex4400) - **Versions tracked:** 0 - **Most recently added to the known-exploited list:** [CVE-2023-36844](https://www.precursorintelligence.com/what-is/cve-2023-36844), 13 November 2023. We keep watching the list. ## Is Ex4400 listed under other names? Juniper also lists Ex4400 under more specific names, such as Ex4400 Multigigabit. Flaws listed only under those names are counted on their own pages, not here. - [Ex4400 Multigigabit](https://www.precursorintelligence.com/product/juniper/ex4400_multigigabit): 3 published vulnerabilities ## Which Ex4400 vulnerabilities are being exploited? 3 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2023-36844](https://www.precursorintelligence.com/what-is/cve-2023-36844): Juniper Junos OS EX Series PHP External Variable Modification Vulnerability. Medium, CVSS 5.3, chance of use in 30 days 90%, known exploited since 13 November 2023. - [CVE-2023-36847](https://www.precursorintelligence.com/what-is/cve-2023-36847): Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability. Medium, CVSS 5.3, chance of use in 30 days 83%, known exploited since 13 November 2023. - [CVE-2023-36851](https://www.precursorintelligence.com/what-is/cve-2023-36851): Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability. Medium, CVSS 5.3, chance of use in 30 days 1.1%, known exploited since 13 November 2023. ## Which Ex4400 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-2023-36844](https://www.precursorintelligence.com/what-is/cve-2023-36844): 90%, Medium (CVSS 5.3), known exploited - [CVE-2023-36847](https://www.precursorintelligence.com/what-is/cve-2023-36847): 83%, Medium (CVSS 5.3), known exploited - [CVE-2014-9708](https://www.precursorintelligence.com/what-is/cve-2014-9708): 56%, Medium (CVSS 5.0) - [CVE-2018-15504](https://www.precursorintelligence.com/what-is/cve-2018-15504): 2.8%, High (CVSS 7.5) - [CVE-2021-0211](https://www.precursorintelligence.com/what-is/cve-2021-0211): 1.3%, Critical (CVSS 10.0) - [CVE-2021-0275](https://www.precursorintelligence.com/what-is/cve-2021-0275): 1.2%, High (CVSS 8.8) - [CVE-2023-36851](https://www.precursorintelligence.com/what-is/cve-2023-36851): 1.1%, Medium (CVSS 5.3), known exploited - [CVE-2021-0261](https://www.precursorintelligence.com/what-is/cve-2021-0261): 1.1%, High (CVSS 7.5) - [CVE-2021-0285](https://www.precursorintelligence.com/what-is/cve-2021-0285): 1.0%, High (CVSS 7.5) - [CVE-2024-21620](https://www.precursorintelligence.com/what-is/cve-2024-21620): 0.9%, High (CVSS 8.8) ## Questions ### How many vulnerabilities does Ex4400 have? We track 17 published vulnerabilities listed under the name Ex4400, across 0 versions. The most recent Ex4400 flaw added to the known-exploited list is CVE-2023-36844, on 13 November 2023. ### Which Ex4400 vulnerabilities are being exploited? 3 are on the list of flaws known to be exploited. The most recently added are CVE-2023-36844, CVE-2023-36847 and CVE-2023-36851. ### Why are newer Ex4400 flaws missing from this page? Juniper also lists Ex4400 under more specific names, such as Ex4400 Multigigabit. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list. ### How do I get alerts for Ex4400? Create a Precursor Intelligence account and track Ex4400. 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 Ex4400? 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