How severe is CVE-2024-39935?

CVE-2024-39935 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-39935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39935?

CVE-2024-39935 affects Jc21 Nginx Proxy Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-39935?

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

Does CVE-2024-39935 have an EU (EUVD) identifier?

Yes. CVE-2024-39935 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38309.

When was CVE-2024-39935 published?

CVE-2024-39935 was published on 2024-07-04 and last updated on 2026-06-17.

CVE-2024-39935

CVE-2024-39935 is a high-severity vulnerability in Jc21 Nginx Proxy Manager with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38309
Weakness: CWE-78
Affected product: Jc21 Nginx Proxy Manager
Published: 2024-07-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-39935?: 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.
How severe is CVE-2024-39935?: CVE-2024-39935 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-39935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39935?: CVE-2024-39935 affects Jc21 Nginx Proxy Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-39935?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-39935 have an EU (EUVD) identifier?: Yes. CVE-2024-39935 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38309.
When was CVE-2024-39935 published?: CVE-2024-39935 was published on 2024-07-04 and last updated on 2026-06-17.

References

Affected products (1)

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

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