jc21 vulnerabilities
Recent CVEs affecting jc21 products. 4 tracked.
jc21 has 4 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 2. Most recent: 2025-08-19. Highest priority: CVE-2024-46256 (score 74/100).
- CVE-2025-50579 MEDIUM 5.3 DOWNGRADE A CORS misconfiguration in Nginx Proxy Manager v2.12.3 allows unauthorized domains to access sensitive data, p
- CVE-2024-46257 MEDIUM 6.3 DOWNGRADE A Command injection vulnerability in requestLetsEncryptSslWithDnsChallenge in NginxProxyManager 2.11.3 allows
- CVE-2024-46256 CRITICAL 9.8 DOWNGRADE A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to R
- CVE-2024-39935 HIGH 8.8 UPGRADE jc21 NGINX Proxy Manager before 2.11.3 allows backend/internal/certificate.js OS command injection by an authe
FAQ
How do I fix jc21 vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is jc21 being exploited right now?
None of the tracked jc21 CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which jc21 CVE should I patch first?
CVE-2024-46256 currently ranks highest (74/100): A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to R.