CVE-2023-22518 Known ransomware use

Atlassian Confluence Data Center and Server Improper Authorization Vulnerability

Atlassian — Confluence Data Center and Server

Added to KEV catalog: 7 November 2023
Federal remediation due date: 28 November 2023
Weakness classification (CWE): CWE-863

CISA Description

Atlassian Confluence Data Center and Server contain an improper authorization vulnerability that can result in significant data loss when exploited by an unauthenticated attacker. There is no impact on confidentiality since the attacker cannot exfiltrate any data.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

https://confluence.atlassian.com/security/cve-2023-22518-improper-authorization-vulnerability-in-confluence-data-center-and-server-1311473907.html; https://nvd.nist.gov/vuln/detail/CVE-2023-22518

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