CVE-2024-46257: nginx-proxy-manager · A Command Injection
Affects nginx-proxy-managerSource CVE Database V5
Not known to be exploited · CVSS 6.3 Medium.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 1.3% chance of exploitation in 30 days – higher than 70% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 27 Sep 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
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-2024-46257, organizations should first upgrade NginxProxyManager to a version where this vulnerability is patched once available. In the absence of an official patch, administrators should restrict access to the NginxProxyManager interface and underlying systems to trusted users only, minimizing the risk of privilege escalation. Implement strict input validation and sanitization on any user-supplied data related to SSL certificate requests, especially DNS challenge inputs. Employ network segmentation and firewall rules to limit exposure of the management interface to untrusted networks. Monitor logs for unusual command execution or certificate request patterns that could indicate exploitation attempts. Consider running NginxProxyManager with the least privileges necessary and in isolated environments such as containers to reduce the impact of potential compromise. Regularly audit and update all dependencies and components related to SSL management and proxy services. Finally, maintain an incident response plan to quickly address any signs of exploitation.
Description
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.
References
- github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.11.3/backend/internal/certificate.js (opens in a new tab)
- github.com/NginxProxyManager/nginx-proxy-manager/commit/99cce7e2b0da2978411cedd7cac5fffbe15bc466 (opens in a new tab)
- github.com/barttran2k/POC_CVE-2024-46256 (opens in a new tab)
- github.com/NginxProxyManager/nginx-proxy-manager/pull/4073/commits/c39d5433bcd13993def222bbb2b6988bbb810a05 (opens in a new tab)