# Ncs 5502 vulnerabilities > Ncs 5502 is made by Cisco. We track 23 published vulnerabilities in it, across 1 version. 2 of them are on the list of flaws known to be exploited, the newest added on 3 November 2021. If you run Ncs 5502, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/cisco/ncs_5502 ## At a glance - **Made by:** [Cisco](https://www.precursorintelligence.com/vendors/cisco) - **Published vulnerabilities:** 23 - **Known to be exploited:** 2 - **Versions tracked:** 1 - **Most recently added to the known-exploited list:** [CVE-2020-3118](https://www.precursorintelligence.com/what-is/cve-2020-3118), 3 November 2021. We keep watching the list. ## Which Ncs 5502 vulnerabilities are being exploited? 2 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2020-3118](https://www.precursorintelligence.com/what-is/cve-2020-3118): Cisco IOS XR Software Discovery Protocol Format String Vulnerability. High, CVSS 8.8, chance of use in 30 days 12%, known exploited since 3 November 2021. - [CVE-2020-3569](https://www.precursorintelligence.com/what-is/cve-2020-3569): Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability. High, CVSS 8.6, chance of use in 30 days 3.3%, known exploited since 3 November 2021. ## Which Ncs 5502 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-2020-3118](https://www.precursorintelligence.com/what-is/cve-2020-3118): 12%, High (CVSS 8.8), known exploited - [CVE-2020-3569](https://www.precursorintelligence.com/what-is/cve-2020-3569): 3.3%, High (CVSS 8.6), known exploited - [CVE-2020-3120](https://www.precursorintelligence.com/what-is/cve-2020-3120): 1.6%, Medium (CVSS 6.5) - [CVE-2021-34718](https://www.precursorintelligence.com/what-is/cve-2021-34718): 1.6%, High (CVSS 8.1) - [CVE-2019-16027](https://www.precursorintelligence.com/what-is/cve-2019-16027): 1.5%, Medium (CVSS 6.5) - [CVE-2021-34737](https://www.precursorintelligence.com/what-is/cve-2021-34737): 1.3%, High (CVSS 7.5) - [CVE-2019-16020](https://www.precursorintelligence.com/what-is/cve-2019-16020): 1.3%, High (CVSS 8.6) - [CVE-2019-15989](https://www.precursorintelligence.com/what-is/cve-2019-15989): 1.3%, High (CVSS 8.6) - [CVE-2019-16022](https://www.precursorintelligence.com/what-is/cve-2019-16022): 1.3%, High (CVSS 8.6) - [CVE-2021-34720](https://www.precursorintelligence.com/what-is/cve-2021-34720): 1.3%, High (CVSS 8.6) ## Questions ### How many vulnerabilities does Ncs 5502 have? We track 23 published vulnerabilities listed under the name Ncs 5502, across 1 version. The most recent Ncs 5502 flaw added to the known-exploited list is CVE-2020-3118, on 3 November 2021. ### Which Ncs 5502 vulnerabilities are being exploited? 2 are on the list of flaws known to be exploited. The most recently added are CVE-2020-3118 and CVE-2020-3569. ### How do I get alerts for Ncs 5502? Create a Precursor Intelligence account and track Ncs 5502. 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 Ncs 5502? 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