CVE-2024-21690

Description

This High severity Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability was introduced in versions 7.19.0, 7.20.0, 8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, 8.6.0, 8.7.1, 8.8.0, and 8.9.0 of Confluence Data Center and Server. This Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability, with a CVSS Score of 7.1, allows an unauthenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser and force a end user to execute unwanted actions on a web application in which they're currently authenticated which has high impact to confidentiality, low 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: * Confluence Data Center and Server 7.19: Upgrade to a release greater than or equal to 7.19.26 * Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.14 * Confluence Data Center and Server 9.0: Upgrade to a release greater than or equal to 9.0.1 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.

Category

8.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
EPSS 1.32% Top 25%
Vendor Advisory atlassian.com Vendor Advisory atlassian.com
Affected: Atlassian Confluence Data Center
Affected: Atlassian Confluence Server
Published at:
Updated at:

References

Link Tags
https://confluence.atlassian.com/pages/viewpage.action?pageId=1431535667 vendor advisory
https://jira.atlassian.com/browse/CONFSERVER-97720 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-21690?
CVE-2024-21690 has been scored as a high severity vulnerability.
How to fix CVE-2024-21690?
To fix CVE-2024-21690, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-21690 being actively exploited in the wild?
It is possible that CVE-2024-21690 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-21690?
CVE-2024-21690 affects Atlassian Confluence Data Center, Atlassian Confluence Server.
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