How severe is CVE-2024-46256?

CVE-2024-46256 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-46256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-46256?

CVE-2024-46256 affects Jc21 Nginx Proxy Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-46256?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-46256 have an EU (EUVD) identifier?

Yes. CVE-2024-46256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41797.

When was CVE-2024-46256 published?

CVE-2024-46256 was published on 2024-09-27 and last updated on 2026-06-17.

CVE-2024-46256

CVE-2024-46256 is a critical-severity vulnerability in Jc21 Nginx Proxy Manager with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-41797
Weakness: CWE-77
Affected product: Jc21 Nginx Proxy Manager
Published: 2024-09-27
Last modified: 2026-06-17

Description

A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to RCE via Add Let's Encrypt Certificate.

Frequently asked questions

What is CVE-2024-46256?: A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to RCE via Add Let's Encrypt Certificate.
How severe is CVE-2024-46256?: CVE-2024-46256 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-46256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-46256?: CVE-2024-46256 affects Jc21 Nginx Proxy Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-46256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-46256 have an EU (EUVD) identifier?: Yes. CVE-2024-46256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41797.
When was CVE-2024-46256 published?: CVE-2024-46256 was published on 2024-09-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jc21:nginx_proxy_manager:2.11.3:*:*:*:*:*:*:*

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