# Expressway vulnerabilities > Expressway is made by Cisco. We track 14 published vulnerabilities listed under that exact name, across 44 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 10 October 2023. Cisco lists newer releases under their own names, such as Expressway Software, so check those pages too. Canonical page: https://www.precursorintelligence.com/product/cisco/expressway ## At a glance - **Made by:** [Cisco](https://www.precursorintelligence.com/vendors/cisco) - **Published vulnerabilities:** 14 - **Known to be exploited:** 1 (listed under the name Expressway) - **Versions tracked:** 44 - **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. ## Is Expressway listed under other names? Cisco also lists Expressway under more specific names, such as Expressway Software and Expressway Series. Flaws listed only under those names are counted on their own pages, not here. - [Expressway Software](https://www.precursorintelligence.com/product/cisco/expressway_software): 5 published vulnerabilities - [Expressway Series](https://www.precursorintelligence.com/product/cisco/expressway_series): 2 published vulnerabilities ## Which versions of Expressway do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. "before x14.3.3" means every version up to, but not including, x14.3.3. - [CVE-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487) (HTTP/2 Rapid Reset Attack Vulnerability): before x14.3.3 ## Which Expressway 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 Expressway 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-2018-5390](https://www.precursorintelligence.com/what-is/cve-2018-5390): 71%, High (CVSS 7.5) - [CVE-2017-3790](https://www.precursorintelligence.com/what-is/cve-2017-3790): 3.5%, High (CVSS 8.6) - [CVE-2021-34716](https://www.precursorintelligence.com/what-is/cve-2021-34716): 2.4%, High (CVSS 7.2) - [CVE-2016-9207](https://www.precursorintelligence.com/what-is/cve-2016-9207): 2.0%, Medium (CVSS 6.5) - [CVE-2022-20812](https://www.precursorintelligence.com/what-is/cve-2022-20812): 1.9%, Medium (CVSS 6.5) - [CVE-2017-12287](https://www.precursorintelligence.com/what-is/cve-2017-12287): 1.6%, Medium (CVSS 4.3) - [CVE-2020-3482](https://www.precursorintelligence.com/what-is/cve-2020-3482): 1.4%, Medium (CVSS 6.5) - [CVE-2020-3596](https://www.precursorintelligence.com/what-is/cve-2020-3596): 1.2%, High (CVSS 7.5) - [CVE-2022-20813](https://www.precursorintelligence.com/what-is/cve-2022-20813): 1.1%, Medium (CVSS 5.9) ## Questions ### How many vulnerabilities does Expressway have? We track 14 published vulnerabilities listed under the name Expressway, across 44 versions. The most recent Expressway flaw added to the known-exploited list is CVE-2023-44487, on 10 October 2023. ### Which Expressway vulnerabilities are being exploited? 1 is on the list of flaws known to be exploited. The most recently added is CVE-2023-44487. ### Why are newer Expressway flaws missing from this page? Cisco also lists Expressway under more specific names, such as Expressway Software and Expressway Series. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list. ### Which versions of Expressway do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2023-44487, affects before x14.3.3. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Expressway? Create a Precursor Intelligence account and track Expressway. 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 Expressway? 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