Resource exhaustion in Atlassian Confluence Data Center
CVE-2023-22512
This High severity DoS (Denial of Service) vulnerability was introduced in version 5.6.0 of Confluence Data Center and Server. With a CVSS Score of 7.5, this vulnerability allows an unauthenticated attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a vulnerable host (Confluence instance) connected to a network, which has no impact to confidentiality, no 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: Confluence Data Center and Server 7.19: Upgrade to a release greater than or equal to 7.19.14 Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.1 Confluence Data Center and Server 8.6 or above: No need to upgrade, you're already on a patched version 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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.147 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.149 · newest: 0.147 · change: -0.002
Affected products
- Atlassian Confluence Data Center — versions < 5.6.0, >= 5.6.0, >= 7.19.13
- Atlassian Confluence Data Center
- Atlassian Confluence Server — versions < 5.6.0, >= 5.6.0, >= 7.19.13
- Atlassian Confluence Server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- confluence.atlassian.com/pages/viewpage.action (Vendor Advisory)
- jira.atlassian.com/browse/CONFSERVER-91258 (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22512?
- CVE-2023-22512 is a high-severity vulnerability in Atlassian Confluence Data Center, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-01-16.
- How severe is CVE-2023-22512?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-22512 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.