# Communications Instant Messaging Server vulnerabilities > Communications Instant Messaging Server is made by Oracle. We track 57 published vulnerabilities in it, across 10 versions. 3 of them are on the list of flaws known to be exploited, the newest added on 12 May 2023. If you run Communications Instant Messaging Server, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/oracle/communications_instant_messaging_server ## At a glance - **Made by:** [Oracle](https://www.precursorintelligence.com/vendors/oracle) - **Published vulnerabilities:** 57 - **Known to be exploited:** 3 - **Versions tracked:** 10 - **Most recently added to the known-exploited list:** [CVE-2016-8735](https://www.precursorintelligence.com/what-is/cve-2016-8735), 12 May 2023. We keep watching the list. ## Which versions of Communications Instant Messaging Server do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2016-8735](https://www.precursorintelligence.com/what-is/cve-2016-8735) (Apache Tomcat Remote Code Execution Vulnerability): 10.0.1 - [CVE-2017-12617](https://www.precursorintelligence.com/what-is/cve-2017-12617) (Apache Tomcat Remote Code Execution Vulnerability): 10.0.1 - [CVE-2020-1938](https://www.precursorintelligence.com/what-is/cve-2020-1938) (Apache Tomcat Improper Privilege Management Vulnerability): 10.0.1.4.0 ## Which Communications Instant Messaging Server vulnerabilities are being exploited? 3 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2016-8735](https://www.precursorintelligence.com/what-is/cve-2016-8735): Apache Tomcat Remote Code Execution Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 90%, known exploited since 12 May 2023. - [CVE-2017-12617](https://www.precursorintelligence.com/what-is/cve-2017-12617): Apache Tomcat Remote Code Execution Vulnerability. High, CVSS 8.1, chance of use in 30 days >99%, known exploited since 25 March 2022. - [CVE-2020-1938](https://www.precursorintelligence.com/what-is/cve-2020-1938): Apache Tomcat Improper Privilege Management Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 3 March 2022. ## Which Communications Instant Messaging Server 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-2017-12617](https://www.precursorintelligence.com/what-is/cve-2017-12617): >99%, High (CVSS 8.1), known exploited - [CVE-2020-1938](https://www.precursorintelligence.com/what-is/cve-2020-1938): >99%, Critical (CVSS 9.8), known exploited - [CVE-2017-5645](https://www.precursorintelligence.com/what-is/cve-2017-5645): 90%, Critical (CVSS 9.8) - [CVE-2020-13935](https://www.precursorintelligence.com/what-is/cve-2020-13935): 87%, High (CVSS 7.5) - [CVE-2021-33037](https://www.precursorintelligence.com/what-is/cve-2021-33037): 75%, Medium (CVSS 5.3) - [CVE-2022-23305](https://www.precursorintelligence.com/what-is/cve-2022-23305): 67%, Critical (CVSS 9.8) - [CVE-2020-13934](https://www.precursorintelligence.com/what-is/cve-2020-13934): 64%, High (CVSS 7.5) - [CVE-2022-23302](https://www.precursorintelligence.com/what-is/cve-2022-23302): 64%, High (CVSS 8.8) - [CVE-2020-9484](https://www.precursorintelligence.com/what-is/cve-2020-9484): 56%, High (CVSS 7.0) ## Questions ### How many vulnerabilities does Communications Instant Messaging Server have? We track 57 published vulnerabilities listed under the name Communications Instant Messaging Server, across 10 versions. The most recent Communications Instant Messaging Server flaw added to the known-exploited list is CVE-2016-8735, on 12 May 2023. ### Which Communications Instant Messaging Server vulnerabilities are being exploited? 3 are on the list of flaws known to be exploited. The most recently added are CVE-2016-8735, CVE-2017-12617 and CVE-2020-1938. ### Which versions of Communications Instant Messaging Server do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2016-8735, affects 10.0.1. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Communications Instant Messaging Server? Create a Precursor Intelligence account and track Communications Instant Messaging Server. 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 Communications Instant Messaging Server? 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