Nginx Proxy Manager through 2.16.0 Improper Authorization via advanced_config
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.2%
exploitation probability
0.2%top 88% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
NginxProxyManager · nginx-proxy-managerReferences
https://github.com/NginxProxyManager/nginx-proxy-managerhttps://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/user.js#L52-L62https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/templates/proxy_host.conf#L28https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/README.md#L36https://github.com/NginxProxyManager/nginx-proxy-manager/issues/5749https://github.com/NginxProxyManager/nginx-proxy-manager/pull/5908https://www.vulncheck.com/advisories/nginx-proxy-manager-through-2.16.0-improper-authorization-via-advanced-config