Vulnerability details
CVE-2023-22518
Actively exploited
Atlassian Confluence Data CenterAtlassian Confluence Server
CVSS 3.0
10.0Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 10.0Critical | 3.0 | CVEProject cvelistV5 (CNA) (atlassian) | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Atlassian | Confluence Data Center | >= 1.0.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Server | >= 1.0.0 | CVEProject cvelistV5 (CNA) |
References and advisories
4- https://confluence.atlassian.com/pages/viewpage.action?pageId=1311473907
- https://jira.atlassian.com/browse/CONFSERVER-93142
- http://packetstormsecurity.com/files/176264/Atlassian-Confluence-Improper-Authorization-Code-Execution.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22518 government-resource
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Details
- Published
- 2023-10-31
- Last updated
- 2025-10-22
- State
- Published
- Assigner (CNA)
- atlassian
- Kolun priority
- 90 · Critical
CISA KEV catalog
- Date added
- 2023-11-07
- Due date
- 2023-11-28
- Used in ransomware
- Yes
Exploit prediction (EPSS)
99.99%
Probability of exploitation in 30 days
99.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-863Incorrect Authorization