Is CVE-2020-1631 actively exploited?

Yes. CVE-2020-1631 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2020-1631 be exploited remotely?

The attack vector of CVE-2020-1631 has not been classified yet.

What is the CVSS score of CVE-2020-1631?

CVE-2020-1631 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2020-1631

HIGHCISA KEVIN THE WILD

CVE-2020-1631

Published: March 25, 2022

EPSS:5.40%probability of exploitation in 30 daysPercentile:89.9th

Official Description

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.

NVD Source

CISA KEV Advisory

Juniper Junos OS Path Traversal Vulnerability

Added to KEV: 2022-03-25Federal patch deadline: 2022-04-15

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

A path traversal vulnerability in the HTTP/HTTPS service used by various Juniper services allows an unauthenticated attacker to perform remote code execution. The high EPSS score of 0.05398 indicates a significant likelihood of exploitation, and its inclusion in CISA's KEV confirms it has been actively exploited.

This vulnerability is actively being exploited in the wild. It is remotely exploitable by an unauthenticated attacker.

Recommended Action

Administrators should apply the latest security updates for Juniper products utilizing J-Web, Web Authentication, Dynamic-VPN, Firewall Authentication Pass-Through with Web-Redirect, and Zero Touch Provisioning. Restrict access to these services where possible.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2020-1631 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2020-1631 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.