CVE-2024-21686
8.7 · HIGHOverview
CVE-2024-21686 is a high-severity vulnerability affecting atlassian confluence_data_center. It was published on July 16, 2024 and has a CVSS 3.1 base score of 8.7 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
This High severity Stored XSS vulnerability was introduced in versions 7.13 of Confluence Data Center and Server.
This Stored XSS vulnerability, with a CVSS Score of 7.3, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, high impact to integrity, no impact to availability, and requires 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 listed on this CVE
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 reported via our Bug Bounty program.
Remediation
Check the references section for vendor advisories and patches from atlassian. Update confluence_data_center to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| atlassian | confluence_data_center | >= 0, < 7.19.22 | Affected |
| atlassian | confluence_server | >= 0, < 7.19.22 | Affected |
Frequently Asked Questions
What is CVE-2024-21686?
CVE-2024-21686 is a high-severity vulnerability affecting atlassian confluence_data_center. It was published on July 16, 2024 and has a CVSS 3.1 base score of 8.7 (HIGH).
How severe is CVE-2024-21686?
This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2024-21686?
Check the references section for vendor advisories and patches from atlassian. Update confluence_data_center to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-21686?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-21686 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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