Path Traversal in Juniper Networks Junos Os

CVE-2020-1631

A 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 local…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.054 (90.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-1631?
CVE-2020-1631 is a high-severity vulnerability in Juniper Networks Junos Os, classified under Path Traversal. CVSS score: 8.8/10. Published 2020-05-04.
How severe is CVE-2020-1631?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-1631 known to be exploited?
Yes. CVE-2020-1631 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.