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-2026-21093

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...

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-2026-33788 Junos OS Evolved: Local, authenticated attacker can gain privileged access to FPCs

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...

PT-2026-31753

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS Evolved on PTX Series versions prior to 21.2R3-S8-EVO, versions 21.4-EVO prior to 21.4R3-S7-EVO, versions 22.2-EVO prior to 22.2R3-S4-EVO, versions 22.3-EVO prior to 22.3R3-S3-EVO, versions 22.4-EVO prior to...

CVE-2026-21910

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on EX4k Series and QFX5k Series platforms allows an unauthenticated network-adjacent attacker flapping an interface to cause traffic between VXLAN Network...

EUVD-2021-2889

Malicious code in bioql PyPI...

CVE-2025-30644

A Heap-based Buffer Overflow vulnerability in the flexible PIC concentrator FPC of Juniper Networks Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4400, EX4600, EX4650-48Y, and QFX5k Series allows an attacker to send a specific DHCP packet to the device, leading to an FPC crash and...

The vulnerability of the Flexible PIC Concentrator module in Juniper Networks’ Junos OS-based ACX5448 routers allows a hacker to induce a service failure.

The vulnerability of the Flexible PIC Concentrator FPC module in Juniper Networks’ Junos OS-based ACX5448 routers lies in the fact that resources are not released after their useful life has expired. Exploiting this vulnerability allows a remote attacker to cause service interruptions...

Juniper Networks Junos OS 资源管理错误漏洞

Juniper Networks Junos OS is a Juniper Networks network operating system for the company's hardware devices. The OS provides a secure programming interface and the Junos SDK. A resource management error vulnerability exists in the Juniper Networks Junos OS, which arises from an uncontrolled...

PT-2022-1474 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS on ACX5448 versions 18.4 through 18.4R3-S10 Juniper Networks Junos OS on ACX5448 versions 19.1 through 19.1R3-S5 Juniper Networks Junos OS on ACX5448 versions 19.2 through 19.2R1-S8 Juniper Networks Junos OS on ACX54...

Race condition

On PTX Series and QFX10k Series devices with the "inline-jflow" feature enabled, a use after free weakness in the Packet Forwarding Engine PFE microkernel architecture of Juniper Networks Junos OS may allow an attacker to cause a Denial of Service DoS condition whereby one or more Flexible PIC...

CVE-2021-0272 Junos OS: QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016: In EVPN-VXLAN scenarios receipt of specific genuine packets by an adjacent attacker will cause a kernel memory leak in FPC.

A kernel memory leak in QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016 devices Flexible PIC Concentrators FPCs on Juniper Networks Junos OS allows an attacker to send genuine packets destined to the device to cause a Denial of Service DoS to the device. On QFX10002-32Q, QFX10002-60C...

CVE-2019-0014

On QFX and PTX Series, receipt of a malformed packet for J-Flow sampling might crash the FPC Flexible PIC Concentrator process which causes all interfaces to go down. By continuously sending the offending packet, an attacker can repeatedly crash the FPC process causing a sustained Denial of Servi...