CVE-2024-46257
CVE-2024-46257 is a medium-severity vulnerability in Jc21 Nginx Proxy Manager with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-41798
- Weakness: CWE-89
- Affected product: Jc21 Nginx Proxy Manager
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2024-46257?
- 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.
- How severe is CVE-2024-46257?
- CVE-2024-46257 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2024-46257 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-46257?
- CVE-2024-46257 affects Jc21 Nginx Proxy Manager. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-46257?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-46257 have an EU (EUVD) identifier?
- Yes. CVE-2024-46257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41798.
- When was CVE-2024-46257 published?
- CVE-2024-46257 was published on 2024-09-27 and last updated on 2026-06-17.
References
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.11.3/backend/internal/certificate.js#L870
- https://github.com/NginxProxyManager/nginx-proxy-manager/commit/99cce7e2b0da2978411cedd7cac5fffbe15bc466
- https://github.com/NginxProxyManager/nginx-proxy-manager/pull/4073/commits/c39d5433bcd13993def222bbb2b6988bbb810a05
- https://github.com/barttran2k/POC_CVE-2024-46256
Affected products (1)
- cpe:2.3:a:jc21:nginx_proxy_manager:2.11.3:*:*:*:*:*:*:*
More vulnerabilities in Jc21 Nginx Proxy Manager
- CVE-2024-46256 — Critical (CVSS 9.8): A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to RCE via…
- CVE-2023-27224 — Critical (CVSS 9.8): An issue found in NginxProxyManager v.2.9.19 allows an attacker to execute arbitrary code via a lua script to the…
- CVE-2024-39935 — High (CVSS 8.8): jc21 NGINX Proxy Manager before 2.11.3 allows backend/internal/certificate.js OS command injection by an authenticated…
- CVE-2023-23596 — High (CVSS 8.8): jc21 NGINX Proxy Manager through 2.9.19 allows OS command injection. When creating an access list, the backend builds…
- CVE-2019-15517 — Medium (CVSS 5.5): jc21 Nginx Proxy Manager before 2.0.13 allows %2e%2e%2f directory traversal.
- CVE-2025-50579 — Medium (CVSS 5.3): A CORS misconfiguration in Nginx Proxy Manager v2.12.3 allows unauthorized domains to access sensitive data,…
All CVEs affecting Jc21 Nginx Proxy Manager →
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