# Confluence Data Center vulnerabilities > Confluence Data Center is made by Atlassian. We track 34 published vulnerabilities in it, across 548 versions. 7 of them are on the list of flaws known to be exploited, the newest added on 24 January 2024. If you run Confluence Data Center, check your version against the exploited flaws below and patch those first. Canonical page: https://www.precursorintelligence.com/product/atlassian/confluence_data_center ## At a glance - **Made by:** [Atlassian](https://www.precursorintelligence.com/vendors/atlassian) - **Published vulnerabilities:** 34 - **Known to be exploited:** 7 - **Versions tracked:** 548 - **Most recently added to the known-exploited list:** [CVE-2023-22527](https://www.precursorintelligence.com/what-is/cve-2023-22527), 24 January 2024. We keep watching the list. ## Which versions of Confluence Data Center do the exploited flaws hit? Each exploited flaw lists the versions it affects, as published. "8.0.0 to before 8.5.4" means from 8.0.0 up to, but not including, 8.5.4. - [CVE-2023-22527](https://www.precursorintelligence.com/what-is/cve-2023-22527) (Atlassian Confluence Data Center and Server Template Injection Vulnerability): 8.0.0 to before 8.5.4, 8.7.0 - [CVE-2023-22518](https://www.precursorintelligence.com/what-is/cve-2023-22518) (Atlassian Confluence Data Center and Server Improper Authorization Vulnerability): 1.0 to before 7.19.16, 7.20.0 to before 8.3.4, 8.4.0 to before 8.4.4, 8.5.0 to before 8.5.3, 8.6.0 - [CVE-2023-22515](https://www.precursorintelligence.com/what-is/cve-2023-22515) (Atlassian Confluence Data Center and Server Broken Access Control Vulnerability): 8.0.0 to before 8.3.3, 8.4.0 to before 8.4.3, 8.5.0 to before 8.5.2 - [CVE-2022-26134](https://www.precursorintelligence.com/what-is/cve-2022-26134) (Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability): 1.3 to before 7.4.17, 7.13.0 to before 7.13.7, 7.14.0 to before 7.14.3, 7.15.0 to before 7.15.2, 7.16.0 to before 7.16.4, 7.17.0 to before 7.17.4, 7.18.0 - [CVE-2021-26085](https://www.precursorintelligence.com/what-is/cve-2021-26085) (Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability): before 7.4.10, 7.5.0 to before 7.12.3 - [CVE-2021-26084](https://www.precursorintelligence.com/what-is/cve-2021-26084) (Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability): before 6.13.23, 6.14.0 to before 7.4.11, 7.5.0 to before 7.11.6, 7.12.0 to before 7.12.5 1 more exploited flaw names Confluence Data Center without a version of its own (for example as the system other affected software runs on). They are in the list below. ## Which Confluence Data Center vulnerabilities are being exploited? 7 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2023-22527](https://www.precursorintelligence.com/what-is/cve-2023-22527): Atlassian Confluence Data Center and Server Template Injection Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 24 January 2024. - [CVE-2023-22518](https://www.precursorintelligence.com/what-is/cve-2023-22518): Atlassian Confluence Data Center and Server Improper Authorization Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 7 November 2023. - [CVE-2023-22515](https://www.precursorintelligence.com/what-is/cve-2023-22515): Atlassian Confluence Data Center and Server Broken Access Control Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 5 October 2023. - [CVE-2022-26138](https://www.precursorintelligence.com/what-is/cve-2022-26138): Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 98%, known exploited since 29 July 2022. - [CVE-2022-26134](https://www.precursorintelligence.com/what-is/cve-2022-26134): Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 2 June 2022. - [CVE-2021-26085](https://www.precursorintelligence.com/what-is/cve-2021-26085): Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability. Medium, CVSS 5.3, chance of use in 30 days >99%, known exploited since 28 March 2022. - [CVE-2021-26084](https://www.precursorintelligence.com/what-is/cve-2021-26084): Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 3 November 2021. ## Which Confluence Data Center 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-2021-26084](https://www.precursorintelligence.com/what-is/cve-2021-26084): >99%, Critical (CVSS 9.8), known exploited - [CVE-2023-22518](https://www.precursorintelligence.com/what-is/cve-2023-22518): >99%, Critical (CVSS 9.8), known exploited - [CVE-2022-26134](https://www.precursorintelligence.com/what-is/cve-2022-26134): >99%, Critical (CVSS 9.8), known exploited - [CVE-2023-22527](https://www.precursorintelligence.com/what-is/cve-2023-22527): >99%, Critical (CVSS 9.8), known exploited - [CVE-2021-26085](https://www.precursorintelligence.com/what-is/cve-2021-26085): >99%, Medium (CVSS 5.3), known exploited - [CVE-2023-22515](https://www.precursorintelligence.com/what-is/cve-2023-22515): >99%, Critical (CVSS 9.8), known exploited - [CVE-2022-26138](https://www.precursorintelligence.com/what-is/cve-2022-26138): 98%, Critical (CVSS 9.8), known exploited - [CVE-2024-21683](https://www.precursorintelligence.com/what-is/cve-2024-21683): 88%, High (CVSS 8.8) - [CVE-2021-26072](https://www.precursorintelligence.com/what-is/cve-2021-26072): 39%, Medium (CVSS 4.3) - [CVE-2023-22512](https://www.precursorintelligence.com/what-is/cve-2023-22512): 15%, High (CVSS 7.5) ## Questions ### How many vulnerabilities does Confluence Data Center have? We track 34 published vulnerabilities listed under the name Confluence Data Center, across 548 versions. The most recent Confluence Data Center flaw added to the known-exploited list is CVE-2023-22527, on 24 January 2024. ### Which Confluence Data Center vulnerabilities are being exploited? 7 are on the list of flaws known to be exploited. The most recently added are CVE-2023-22527, CVE-2023-22518 and CVE-2023-22515. ### Which versions of Confluence Data Center do the exploited flaws affect? Each flaw names its own versions, usually as ranges. The newest, CVE-2023-22527, affects 8.0.0 to before 8.5.4, 8.7.0. The versions for every exploited flaw are listed on this page. ### How do I get alerts for Confluence Data Center? Create a Precursor Intelligence account and track Confluence Data Center. 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 Confluence Data Center? 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