CVE-2024-46257: JC21 Nginx Proxy Manager

Medium severity, CVSS 6.3. EPSS: 1.3% chance of exploitation in the next 30 days.

A Command injection vulnerability in requestLetsEncryptSslWithDnsChallenge in NginxProxyManager 2.11.3 allows an attacker to achieve remote code execution via Add Let's Encrypt Certificate. NOTE: this is not part of any NGINX software shipped by F5.

Affected products

• JC21 Nginx Proxy Manager: version 2.11.3 only

Published 2024-09-27. Last modified 2026-06-17.