CVE-2023-22518 Atlassian Confluence Data Center and Server Improper Authorization
Unauthenticated attackers can reset Confluence and create an administrator account, leading to full system compromise.
- Exploited in the wild
- Since 7 Nov 2023
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-22518?
CVE-2023-22518 is a critical missing authorization vulnerability in Atlassian Confluence Data Center, published on 31 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-863
Which versions are affected by CVE-2023-22518?
It affects 2 products.
Products include Atlassian Confluence Data Center, Atlassian Confluence Server.
How do I fix CVE-2023-22518?
No fix has been published for CVE-2023-22518 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 28 Nov 2023.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-22518 being exploited?
Yes. Attackers have exploited CVE-2023-22518 in the wild since at least 7 Nov 2023, including in ransomware campaigns.
Public exploit code: 1 Metasploit module, 1 Nuclei template and 8 proofs of concept on GitHub.
Other vulnerabilities in Atlassian Confluence Data Center
- CVE-2023-22527 Atlassian Confluence Data Center and Server Template Injection
- CVE-2023-22515 Atlassian Confluence Data Center and Server Broken Access Control
- CVE-2022-26134 Atlassian Confluence Server and Data Center Remote Code Execution
- CVE-2021-26084 Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection
- CVE-2021-26085 Atlassian Confluence Server Pre-Authorization Arbitrary File Read
Sources
Also known as GHSA-8prx-84h6-4fr5.