CVE-2020-1631
Juniper Junos OS Path Traversal Vulnerability
Summary
A path traversal vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN (DVPN), Firewall Authentication Pass-Through with Web-Redirect, and Zero Touch Provisioning (ZTP) allows an unauthenticated attacker to perform remote code execution.
Affected software
Vendor: Juniper · Product: Junos OS
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Juniper
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2023-36846 | Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnera | 94.2% | Yes |
| CVE-2023-36845 | Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vul | 94.2% | Yes |
| CVE-2023-36844 | Juniper Junos OS EX Series PHP External Variable Modification Vulnerability | 91.4% | Yes |
| CVE-2023-36847 | Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerab | 84.7% | Yes |
| CVE-2015-7755 | Juniper ScreenOS Improper Authentication Vulnerability | 61.4% | Yes |
| CVE-2025-21590 | Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability | 1.7% | Yes |
| CVE-2023-36851 | Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnera | 1.1% | Yes |
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