# HTTP Server vulnerabilities > HTTP Server is made by Oracle. We track 102 published vulnerabilities in it, across 42 versions. 3 of them are on the list of flaws known to be exploited, the newest added on 27 June 2022. If you run HTTP Server, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/oracle/http_server ## At a glance - **Made by:** [Oracle](https://www.precursorintelligence.com/vendors/oracle) - **Published vulnerabilities:** 102 - **Known to be exploited:** 3 - **Versions tracked:** 42 - **Most recently added to the known-exploited list:** [CVE-2021-4034](https://www.precursorintelligence.com/what-is/cve-2021-4034), 27 June 2022. We keep watching the list. ## Which versions of HTTP Server do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. - [CVE-2021-4034](https://www.precursorintelligence.com/what-is/cve-2021-4034) (Red Hat Polkit Out-of-Bounds Read and Write Vulnerability): 12.2.1.3.0, 12.2.1.4.0 - [CVE-2021-40438](https://www.precursorintelligence.com/what-is/cve-2021-40438) (Apache HTTP Server-Side Request Forgery (SSRF)): 12.2.1.3.0, 12.2.1.4.0 - [CVE-2019-0211](https://www.precursorintelligence.com/what-is/cve-2019-0211) (Apache HTTP Server Privilege Escalation Vulnerability): 12.2.1.3.0 ## Which HTTP Server vulnerabilities are being exploited? 3 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2021-4034](https://www.precursorintelligence.com/what-is/cve-2021-4034): Red Hat Polkit Out-of-Bounds Read and Write Vulnerability. High, CVSS 7.8, chance of use in 30 days 95%, known exploited since 27 June 2022. - [CVE-2021-40438](https://www.precursorintelligence.com/what-is/cve-2021-40438): Apache HTTP Server-Side Request Forgery (SSRF). Critical, CVSS 9.0, chance of use in 30 days >99%, known exploited since 1 December 2021. - [CVE-2019-0211](https://www.precursorintelligence.com/what-is/cve-2019-0211): Apache HTTP Server Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 65%, known exploited since 3 November 2021. ## Which HTTP 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-2021-40438](https://www.precursorintelligence.com/what-is/cve-2021-40438): >99%, Critical (CVSS 9.0), known exploited - [CVE-2021-44790](https://www.precursorintelligence.com/what-is/cve-2021-44790): 97%, Critical (CVSS 9.8) - [CVE-2021-4034](https://www.precursorintelligence.com/what-is/cve-2021-4034): 95%, High (CVSS 7.8), known exploited - [CVE-2002-0656](https://www.precursorintelligence.com/what-is/cve-2002-0656): 90%, High (CVSS 7.5) - [CVE-2014-0226](https://www.precursorintelligence.com/what-is/cve-2014-0226): 86%, Medium (CVSS 6.8) - [CVE-2013-2566](https://www.precursorintelligence.com/what-is/cve-2013-2566): 84%, Medium (CVSS 5.9) - [CVE-2021-44224](https://www.precursorintelligence.com/what-is/cve-2021-44224): 82%, High (CVSS 8.2) - [CVE-2015-2808](https://www.precursorintelligence.com/what-is/cve-2015-2808): 74%, Medium (CVSS 5.0) - [CVE-2022-22719](https://www.precursorintelligence.com/what-is/cve-2022-22719): 69%, High (CVSS 7.5) - [CVE-2019-0211](https://www.precursorintelligence.com/what-is/cve-2019-0211): 65%, High (CVSS 7.8), known exploited ## Questions ### How many vulnerabilities does HTTP Server have? We track 102 published vulnerabilities listed under the name HTTP Server, across 42 versions. The most recent HTTP Server flaw added to the known-exploited list is CVE-2021-4034, on 27 June 2022. ### Which HTTP Server vulnerabilities are being exploited? 3 are on the list of flaws known to be exploited. The most recently added are CVE-2021-4034, CVE-2021-40438 and CVE-2019-0211. ### Which versions of HTTP Server do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2021-4034, affects 12.2.1.3.0, 12.2.1.4.0. The versions for every exploited flaw are listed on this page. ### How do I get alerts for HTTP Server? Create a Precursor Intelligence account and track HTTP 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 HTTP 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