CVE-2024-39935: jc21 NGINX Proxy Manager before 2.11.3 allows backend/internal/certificate.js OS command injection by an authe

Q: How do I fix CVE-2024-39935?

nginx proxy manager: upgrade to 2.11.3. Exact commands for each OS are on this page.

Q: Is CVE-2024-39935 being exploited?

CVE-2024-39935 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-39935 affect?

CVE-2024-39935 affects nginx proxy manager. Severity is high (CVSS 8.8). 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 pa

Q: How urgent is CVE-2024-39935?

Priority 51/100. High severity; On your watchlist

This month

HIGH 8.8WATCHLISTUPGRADE

CVE-2024-39935 is a high-severity flaw (CVSS 8.8) affecting nginx proxy manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-78
Published	2024-07-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: jc21

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-07-04 21:15 UTCPublished CVE record published
2026-06-17 07:43 UTCUpdated Record last modified

jc21 nginx proxy manager UPGRADE

Affected: < 2.11.3

Fixed in: 2.11.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nginx-proxy-manager || rpm -q nginx-proxy-manager || nginx-proxy-manager --version

2. UPGRADE to 2.11.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nginx-proxy-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nginx-proxy-manager

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-39935?

nginx proxy manager: upgrade to 2.11.3. Exact commands for each OS are on this page.

Is CVE-2024-39935 being exploited?

CVE-2024-39935 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-39935 affect?

CVE-2024-39935 affects nginx proxy manager. Severity is high (CVSS 8.8). 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 pa

How urgent is CVE-2024-39935?

Priority 51/100. High severity; On your watchlist

Software pages

nginx vulnerabilities · F5 BIG-IP vulnerabilities

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CVE-2024-46257 MEDIUM 6.3 DOWNGRADE A Command injection vulnerability in requestLetsEncryptSslWithDnsChallenge in NginxProxyManager 2.11.3 allows
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References

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