Atlassian Confluence Data Center and Server Improper Authorization Vulnerability
Summary
| CVE | CVE-2023-22518 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-10-31 15:15:00 UTC |
| Updated | 2023-12-19 16:15:00 UTC |
| Description | All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper Authorization vulnerability allows an unauthenticated attacker to reset Confluence and create a Confluence instance administrator account. Using this account, an attacker can then perform all administrative actions that are available to Confluence instance administrator leading to - but not limited to - full loss of confidentiality, integrity and availability. Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue. |
Risk And Classification
EPSS: 0.943750000 probability, percentile 0.999650000 (date 2026-04-21)
CISA KEV: Listed on 2023-11-07; due 2023-11-28; ransomware use Known
Problem Types: CWE-863
CISA Known Exploited Vulnerability
| Vendor | Atlassian |
|---|---|
| Product | Confluence Data Center and Server |
| Name | Atlassian Confluence Data Center and Server Improper Authorization Vulnerability |
| 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 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Atlassian | Confluence Data Center | All | All | All | All |
| Application | Atlassian | Confluence Data Center | 8.6.0 | All | All | All |
| Application | Atlassian | Confluence Server | All | All | All | All |
| Application | Atlassian | Confluence Server | 8.6.0 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Atlassian Confluence Improper Authorization / Code Execution ≈ Packet Storm | packetstormsecurity.com | ||
| github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CV... | MISC | github.com | |
| Rapid7-Observed Exploitation of Atlassian Confluence CVE-2023-22518 | Rapid7 Blog | MISC | www.rapid7.com | |
| Atlassian warns of exploit for Confluence data wiping bug, get patching | MISC | www.bleepingcomputer.com | |
| Loading... | MISC | jira.atlassian.com | |
| CVE-2023-22518 - Improper Authorization Vulnerability In Confluence Data Center and Confluence Server | Atlassian Support | Atlassian Documentation | MISC | confluence.atlassian.com | |
| Exploitation of Critical Confluence Vulnerability Begins - SecurityWeek | MISC | www.securityweek.com | |
| PersonalStuff/check_cve_2023_22518.py at master · RootUp/PersonalStuff · GitHub | MISC | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 150738 Atlassian Confluence Server and Data Center Improper Authorization Vulnerability (CVE-2023-22518)
- 378982 Atlassian Confluence Server and Data Center Improper Authorization Vulnerability (CONFSERVER-93142)
- 730966 Atlassian Confluence Server and Data Center Improper Authorization Vulnerability (CONFSERVER-93142) (Unauthenticated Check)