# CVE-2024-21683: Code injection in Confluence Data Center > An authenticated attacker can execute arbitrary code on Confluence Data Center and Server, compromising confidentiality, integrity, and availability. - **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`) - **Exploited in the wild:** Not known - **Login needed:** Any signed-in user - **Attackable:** Over the internet - **Victim action needed:** Not needed - **Fix available:** No - **Published:** 21 May 2024 - **Updated:** 12 May 2025 - **Also known as:** GHSA-vr88-2hv2-5jvf ## What is CVE-2024-21683? CVE-2024-21683 is a high-severity code injection vulnerability in Atlassian Crucible, published on 21 May 2024. Any signed-in user can exploit it over the network, with no action from the victim. ### Official description This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.2, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction.  Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions. See the release notes https://confluence.atlassian.com/doc/confluence-release-notes-327.html You can download the latest version of Confluence Data Center and Server from the download center https://www.atlassian.com/software/confluence/download-archives. This vulnerability was found internally. Weakness: CWE-94 (Improper Control of Generation of Code) ## Which versions are affected by CVE-2024-21683? It affects 7 products. Products: Atlassian Confluence Data Center, Atlassian Confluence Server, Atlassian Crucible, Atlassian Fisheye, Atlassian Jira Data Center, Atlassian Jira Server, Atlassian Jira Service Management. ## How do I fix CVE-2024-21683? No fix has been published for CVE-2024-21683 yet. Limit exposure of the affected software until one is available. ## Is CVE-2024-21683 being exploited? It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-21683 exists. Public exploit code: - CVE-2024-21683 Confluence Post Auth RCE (github_poc): https://github.com/W01fh4cker/CVE-2024-21683-RCE - This vulnerability could allow an attacker to take complete control of a vulnerable Confluence server. This could allow the attacker to steal data, modify data, or disrupt the availability of the server. (github_poc): https://github.com/absholi7ly/-CVE-2024-21683-RCE-in-Confluence-Data-Center-and-Server - This vulnerability allows an unauthenticated attacker to remotely execute arbitrary code on a vulnerable Confluence server. The vulnerability exists due to an improper validation of user-supplied input in the Confluence REST API. This allows an attacker to inject malicious code into the Confluence server, which can then be executed by the server (github_poc): https://github.com/r00t7oo2jm/-CVE-2024-21683-RCE-in-Confluence-Data-Center-and-Server - https://github.com/phucrio/CVE-2024-21683-RCE (github_poc): https://github.com/phucrio/CVE-2024-21683-RCE - Atlassian Confluence Administrator Code Macro Remote Code Execution (metasploit) - CVE-2024-21683 Confluence Post Auth RCE (github_poc): https://github.com/r3db34rdh4x/cve-2024-21683-rce ## Other vulnerabilities in Atlassian Crucible - [CVE-2023-22527](https://insights.sbomify.com/CVE-2023-22527/): Atlassian Confluence Data Center and Server Template Injection (critical 10.0, exploited in the wild) - [CVE-2023-22518](https://insights.sbomify.com/CVE-2023-22518/): Atlassian Confluence Data Center and Server Improper Authorization (critical 10.0, exploited in the wild) - [CVE-2023-22515](https://insights.sbomify.com/CVE-2023-22515/): Atlassian Confluence Data Center and Server Broken Access Control (critical 10.0, exploited in the wild) - [CVE-2022-26134](https://insights.sbomify.com/CVE-2022-26134/): Atlassian Confluence Server and Data Center Remote Code Execution (critical 9.8, exploited in the wild) - [CVE-2021-26084](https://insights.sbomify.com/CVE-2021-26084/): Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection (critical 9.8, exploited in the wild) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2024-21683 and fix it if it is affected. What it is: CVE-2024-21683 is a high-severity code injection vulnerability in Atlassian Crucible, published on 21 May 2024. Any signed-in user can exploit it over the network, with no action from the victim. Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-21683 exists. Affected product: Atlassian Crucible. No package-level version data is available, so check the vendor advisory linked from the reference page. Task: 1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies. 2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it. 3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead. 4. Run the tests and summarise what changed and why. 5. If nothing in the project is affected, say so and change nothing. Reference: https://insights.sbomify.com/CVE-2024-21683/ (Markdown: https://insights.sbomify.com/CVE-2024-21683/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2024-21683 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-21683 - OSV: https://osv.dev/vulnerability/CVE-2024-21683 --- From sbomify Insights: https://insights.sbomify.com/CVE-2024-21683/ Summaries are generated and may contain mistakes; the official description above is the record.