CVE Catalog

CVE-2026-101954

CriticalCVSS 9.8
Published: Translated: NVD NIST

Summary

An improper authentication vulnerability in the J-Web management interface and its NETCONF session handling of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network attacker to obtain root-level device configuration access and take over the device via a reachable J-Web HTTP or HTTPS service when web management is enabled.

Risk Assessment

An unauthenticated attacker can obtain root-level configuration access and fully take over a Juniper device.

Recommendation

Apply the available Junos OS and Junos OS Evolved updates; if possible, disable J-Web management or restrict its access to trusted networks.

Other vulnerabilities in Junos OS

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Original NVD description (English source)

An Improper Authentication vulnerability in the J-Web management interface and its NETCONF session handling of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network attacker to obtain root-level device configuration access and take over the device via a reachable J-Web HTTP or HTTPS service when web management is enabled.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS