CVE-2024-39935: nginx-proxy-manager · OS Command Injection
Affects nginx-proxy-managerSource CVE Database V5
Not known to be exploited · CVSS 8.8 High : upgrade to 2.11.3 soon.
Data as of 26 Oct 2026, 09:15 UTC
- EPSS
- 0.8% chance of exploitation in 30 days – higher than 58% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.11.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 4 Jul 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade nginxproxymanager/nginx-proxy-manager to 2.11.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubnginxproxymanager/nginx-proxy-managerpkg:github/nginxproxymanager/nginx-proxy-managerOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
To mitigate CVE-2024-39935, organizations should immediately upgrade jc21 NGINX Proxy Manager to version 2.11.3 or later, where the vulnerability has been addressed. If upgrading is not immediately feasible, restrict certificate management privileges to only trusted administrators and enforce strict access controls to limit the number of users who can modify DNS provider configurations. Implement input validation and sanitization controls on DNS provider configuration inputs to prevent injection of malicious commands. Monitor logs for unusual activity related to certificate management and DNS configuration changes. Employ network segmentation to isolate the proxy manager from critical infrastructure and sensitive data stores. Additionally, consider deploying host-based intrusion detection systems (HIDS) to detect suspicious command execution patterns. Regularly audit user privileges and review configuration changes to detect potential abuse. Finally, maintain up-to-date backups and incident response plans to quickly recover from any compromise.
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.