This DoS (Denial of Service) vulnerability, with a CVSS Score of 8.3, allows an attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network.
Atlassian recommends that Confluence Data Center 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 8.5: Upgrade to a release greater than or equal to 8.5.25
Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7
Confluence Data Center and Server 10.0: Upgrade to a release greater than or equal to 10.0.2
See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]).
This vulnerability was reported via our Atlassian (Internal) program.
Metrics
Affected Vendors & Products
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Tue, 21 Oct 2025 17:15:00 +0000
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Weaknesses | CWE-405 | |
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ssvc
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Tue, 21 Oct 2025 16:15:00 +0000
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Description | This High severity DoS (Denial of Service) vulnerability was introduced in version 2.0 of Confluence Data Center. This DoS (Denial of Service) vulnerability, with a CVSS Score of 8.3, allows an attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network. Atlassian recommends that Confluence Data Center 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 8.5: Upgrade to a release greater than or equal to 8.5.25 Confluence Data Center and Server 9.2: Upgrade to a release greater than or equal to 9.2.7 Confluence Data Center and Server 10.0: Upgrade to a release greater than or equal to 10.0.2 See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was reported via our Atlassian (Internal) program. | |
References |
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Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: atlassian
Published:
Updated: 2025-10-21T16:21:27.828Z
Reserved: 2025-01-01T00:01:27.176Z
Link: CVE-2025-22166

Updated: 2025-10-21T16:20:52.235Z

Status : Awaiting Analysis
Published: 2025-10-21T16:15:37.370
Modified: 2025-10-21T19:31:25.450
Link: CVE-2025-22166

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