# CVE-2024-21703: Misconfiguration in Confluence Data Center

> An authenticated attacker on the Windows host can read sensitive Confluence configuration data, impacting confidentiality, integrity, and availability.

- **Severity:** Medium 6.4 (`CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Nov 2024
- **Updated:** 27 Nov 2024
- **Also known as:** GHSA-gmcv-67g3-vrwj

## What is CVE-2024-21703?

CVE-2024-21703 is a medium-severity vulnerability in Atlassian Confluence Data Center, published on 27 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

This Medium severity Security Misconfiguration vulnerability was introduced in version 8.8.1 of Confluence Data Center and Server for Windows installations.

This Security Misconfiguration vulnerability, with a CVSS Score of 6.4 allows an authenticated attacker of the Windows host to read sensitive information about the Confluence Data Center configuration which has high impact to confidentiality, high impact to integrity,  high impact to availability, and no user interaction.

Atlassian recommends that Confluence Data Center and Server customers upgrade to the latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:

* Confluence Data Center and Server 7.19: Upgrade to a release greater than or equal to 7.19.18 
* Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.5
* Confluence Data Center and Server 8.7: Upgrade to a release greater than or equal to 8.7.2
* Confluence Data Center and Server 8.8: Upgrade to a release greater than or equal to 8.8.0

See the release notes (https://confluence.atlassian.com/conf88/confluence-release-notes-1354501008.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 reported via our Atlassian Bug Bounty Program by Chris Elliot.

Weakness: CWE-732 (Incorrect Permission Assignment for Critical Resource)

## Which versions are affected by CVE-2024-21703?

It affects 2 products.


Products: Atlassian Confluence Data Center, Atlassian Confluence Server.

## How do I fix CVE-2024-21703?

No fix has been published for CVE-2024-21703 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-21703 being exploited?

There is no known exploitation of CVE-2024-21703 in the wild and no public exploit code.

## Other vulnerabilities in Atlassian Confluence Data Center

- [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-2024-21703 and fix it if it is affected.

What it is: CVE-2024-21703 is a medium-severity vulnerability in Atlassian Confluence Data Center, published on 27 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-21703 in the wild and no public exploit code.

Affected product: Atlassian Confluence Data Center. 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-2024-21703/ (Markdown: https://insights.sbomify.com/CVE-2024-21703/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-21703
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-21703
- OSV: https://osv.dev/vulnerability/CVE-2024-21703

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-21703/
Summaries are generated and may contain mistakes; the official description above is the record.
