CVE-2023-22515

Atlassian Confluence Data Center and Server — Atlassian Confluence Data Center and Server Broken Access Control Vulnerability
🔥 CVSS 3.1  9.8 / 10 — CRITICAL 🔴 CISA Known Exploited Vulnerability

Overview

Atlassian Confluence Data Center and Server contains a broken access control vulnerability that allows an attacker to create unauthorized Confluence administrator accounts and access Confluence.

https://confluence.atlassian.com/security/cve-2023-22515-privilege-escalation-vulnerability-in-confluence-data-center-and-server-1295682276.html; https://nvd.nist.gov/vuln/detail/CVE-2023-22515

Key Details

PropertyValue
CVE ID CVE-2023-22515
Vendor / Product Atlassian — Confluence Data Center and Server
NVD Published2023-10-04
NVD Last Modified2026-03-25
CVSS 3.1 Score9.8
CVSS 3.1 VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SeverityCRITICAL
CISA KEV Added2023-10-05
CISA KEV Deadline2023-10-13
Known Ransomware Use ⚠️ Yes

CVSS 3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2023-10-13. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check all affected Confluence instances for evidence of compromise per vendor instructions and report any positive findings to CISA.

Timeline

DateEvent
2023-10-05Added to CISA Known Exploited Vulnerabilities catalog
2023-10-13CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2023-22515 Vulnerability Database
CISA KEV Catalog Entry US Government