CVE-2026-21901

A NULL Pointer Dereference vulnerability in the management daemon mgd of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a Denial of Service DoS. A local high-privileged user configuri...

CVE-2026-21901

CVE-2026-21901 describes a NULL pointer dereference in Juniper Networks Junos OS and Junos OS Evolved mgd (management daemon) when a local, high-privileged user configures or deactivates a specific 'system services ssh' parameter. The vulnerability causes an mgd crash and restart, enabling a sust...

Juniper Junos OS Vulnerability (JSA110078)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA110078 advisory. - An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacke...

Juniper Junos OS Vulnerability (JSA110089)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA110089 advisory. - A Missing Synchronization vulnerability in the flow collector handler of Juniper Networks Junos OS Evolved on QFX Series allows an adjacent, unauthenticated attacker to...

Juniper Junos OS Vulnerability (JSA73154)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA73154 advisory. - An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10001, PTX10004, PTX10008, and PTX10016 devices allows a...

Juniper Junos OS Vulnerability (JSA83016)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA83016 advisory. - A Stack-Based Buffer Overflow vulnerability in Juniper Networks Junos OS and Juniper Networks Junos OS Evolved may allow a local, low-privileged attacker with access to th...

CVE-2026-33793

An Execution with Unnecessary Privileges vulnerability in the User Interface UI of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to gain root privileges, thus compromising the system. When a configuration that allows unsigned Python op scripts is present o...

CVE-2026-33788

A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators FPCs of Juniper Networks Junos OS Evolved on PTX Series allows a local, authenticated attacker with low privileges to gain direct access to FPCs installed in the device. A local user with low privileges...

CVE-2026-33791

An OS Command Injection vulnerability in the CLI processing of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker executing specific, crafted CLI commands to inject arbitrary shell commands as root, leading to a complete compromise of the system. Certain 'set...

Vulnerability fixed in Juniper Networks Junos OS Evolved

Juniper has fixed a vulnerability in Junos OS Evolved running on PTX Series devices. A malicious party can exploit this vulnerability to increase privileges. The vulnerability is in the Flexible PIC Concentrators FPCs of Juniper Networks Junos OS Evolved on PTX systems. The vulnerability can lead...

EUVD-2026-21196

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information. A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive...

EUVD-2026-21208

An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service DoS. An attacker repeatedly...

EUVD-2026-21093

A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators FPCs of Juniper Networks Junos OS Evolved on PTX Series allows a local, authenticated attacker with low privileges to gain direct access to FPCs installed in the device. A local user with low privileges...

EUVD-2026-21082

An Incorrect Synchronization vulnerability in the management daemon mgd of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker with low privileges to cause a complete Denial-of-Service DoS of the management plane. When NETCONF sessions are quickly established and...

CVE-2026-33793

An Execution with Unnecessary Privileges vulnerability in the User Interface UI of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to gain root privileges, thus compromising the system. When a configuration that allows unsigned Python op scripts is present o...

CVE-2026-33797

An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service DoS. An attacker repeatedly...

CVE-2026-33780

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a memory leak ultimately leading to a Denial of Service DoS. In an EVPN-MPLS...

CVE-2026-33791 Junos OS and Junos OS Evolved: Execution of crafted CLI commands allows for arbitrary shell injection as root

An OS Command Injection vulnerability in the CLI processing of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker executing specific, crafted CLI commands to inject arbitrary shell commands as root, leading to a complete compromise of the system. Certain 'set...

CVE-2026-33791

CVE-2026-33791 affects Junos OS and Junos OS Evolved. The vulnerability lies in the CLI processing of certain crafted set system commands, where arguments are not properly sanitized, enabling an attacker with local, high privileges to inject arbitrary shell commands that execute as root. This can...

CVE-2026-33791 Junos OS and Junos OS Evolved: Execution of crafted CLI commands allows for arbitrary shell injection as root

An OS Command Injection vulnerability in the CLI processing of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker executing specific, crafted CLI commands to inject arbitrary shell commands as root, leading to a complete compromise of the system. Certain 'set...