Nginx Proxy Manager through 2.16.0 fails to restrict the advanced_config field to administrators, allowing non-admin users with manage permissions to inject arbitrary nginx directives. Attackers can inject malicious nginx configuration such as alias directives to serve arbitrary files or control routing for their assigned hosts.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Nginxproxymanager Nginx_Proxy_Manager
cpe:2.3:a:nginxproxymanager:nginx_proxy_manager:*:*:*:*:*:*:*:*
|
— |
<= 2.16.0
|
References 7
https://github.com/NginxProxyManager/nginx-proxy-manager/issues/5749
NVD
https://github.com/NginxProxyManager/nginx-proxy-manager/pull/5908
NVD
https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/i…
NVD
https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/t…
NVD
https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/README.md…
NVD
https://github.com/NginxProxyManager/nginx-proxy-manager
NVD
https://www.vulncheck.com/advisories/nginx-proxy-manager-through-2.16.0-imprope…
VulnCheck Advisory: Nginx Proxy Manager through 2.16.0 Improper Authorization via advanced_config