CVE-2024-39935

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-04 · updated 2026-06-17
Weakness: CWE-78

Description

jc21 NGINX Proxy Manager before 2.11.3 allows backend/internal/certificate.js OS command injection by an authenticated user (with certificate management privileges) via untrusted input to the DNS provider configuration. NOTE: this is not part of any NGINX software shipped by F5.

Affected products

Jc21 Nginx Proxy Manager: before 2.11.3 — fixed in 2.11.3

How to fix

Upgrade to a fixed version: Jc21 Nginx Proxy Manager 2.11.3. Check the vendor advisory for mitigations.

References

https://github.com/NginxProxyManager/nginx-proxy-manager/commit/99cce7e2b0da2978411cedd7cac5fffbe15bc46
https://github.com/NginxProxyManager/nginx-proxy-manager/compare/v2.11.2...v2.11.3
https://github.com/NginxProxyManager/nginx-proxy-manager/issues/3662
https://github.com/NginxProxyManager/nginx-proxy-manager/commit/99cce7e2b0da2978411cedd7cac5fffbe15bc46
https://github.com/NginxProxyManager/nginx-proxy-manager/compare/v2.11.2...v2.11.3
https://github.com/NginxProxyManager/nginx-proxy-manager/issues/3662

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