CVE-2023-44181 Junos OS: QFX5k: l2 loop in the overlay impacts the stability in a EVPN/VXLAN environment

An Improperly Implemented Security Check for Standard vulnerability in storm control of Juniper Networks Junos OS QFX5k devices allows packets to be punted to ARP queue causing a l2 loop resulting in a DDOS violations and DDOS syslog. This issue is triggered when Storm control is enabled and ICMP...

CVE-2023-44181

The vulnerability CVE-2023-44181 affects Juniper Networks Junos OS on QFX5k devices, caused by an improperly implemented security check in storm control. When storm control is enabled and ICMPv6 traffic is present, packets can be punted to the ARP queue, creating an L2 loop that can lead to DoS c...

Juniper Networks Junos OS and Junos OS QFX Security Vulnerabilities

Juniper Networks Junos OS and Juniper Networks Junos OS QFX are products of Juniper Networks, Inc.Juniper Networks Junos OS is a network operating system that is specialized for use with the company's hardware devices. The operating system provides a secure programming interface and the Junos...

PT-2023-6135 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 20.2R3-S6 on QFX5k Junos OS versions 20.3 prior to 20.3R3-S5 on QFX5k Junos OS versions 20.4 prior to 20.4R3-S5 on QFX5k Junos OS versions 21.1 prior to 21.1R3-S4 on QFX5k Junos OS versions 21.2 prior to 21.2R3-S3 o...

CVE-2023-22405

An Improper Preservation of Consistency Between Independent Representations of Shared State vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause a Denial of Service DoS to device due to out of resources. When a device...

CVE-2023-22405 Junos OS: QFX5k Series, EX46xx Series: MAC limiting feature stops working after PFE restart or device reboot

An Improper Preservation of Consistency Between Independent Representations of Shared State vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause a Denial of Service DoS to device due to out of resources. When a device...

CVE-2023-22405

CVE-2023-22405 describes a DoS in Juniper Networks Junos OS caused by an improper preservation of consistency between independent representations of shared state in the Packet Forwarding Engine (PFE). When devices run with service-provider/SP style switching and MAC limiting on an Aggregated Ethe...

CVE-2023-22405 Junos OS: QFX5k Series, EX46xx Series: MAC limiting feature stops working after PFE restart or device reboot

An Improper Preservation of Consistency Between Independent Representations of Shared State vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause a Denial of Service DoS to device due to out of resources. When a device...

CVE-2021-0259

Due to a vulnerability in DDoS protection in Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in a VXLAN configuration, instability might be experienced in the underlay network as a consequence of exceeding the default ddos-protection aggregate threshold. If an attacker on ...

CVE-2021-0237

On Juniper Networks EX4300-MP Series, EX4600 Series, EX4650 Series, QFX5K Series deployed as a Virtual Chassis with a specific Layer 2 circuit configuration, Packet Forwarding Engine manager FXPC process may crash and restart upon receipt of specific layer 2 frames. Continued receipt and processi...

Design/Logic Flaw

Due to a vulnerability in DDoS protection in Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in a VXLAN configuration, instability might be experienced in the underlay network as a consequence of exceeding the default ddos-protection aggregate threshold. If an attacker on ...

CVE-2021-0259

CVE-2021-0259 affects Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in VXLAN configurations. The issue arises from DDoS protection logic, where an improperly detected DDoS violation can cause a leaf to drop processing of certain L2 traffic from spines in the underlay, al...

CVE-2021-0259 Junos OS and Junos OS Evolved: QFX5K Series: Underlay network traffic might not be processed upon receipt of high rate of specific genuine overlay packets in VXLAN scenario

Due to a vulnerability in DDoS protection in Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in a VXLAN configuration, instability might be experienced in the underlay network as a consequence of exceeding the default ddos-protection aggregate threshold. If an attacker on ...

CVE-2021-0237 Junos OS: EX4300-MP/EX4600/EX4650/QFX5K Series: Packet Forwarding Engine manager (FXPC) process crashes when deployed in a Virtual Chassis (VC) configuration

On Juniper Networks EX4300-MP Series, EX4600 Series, EX4650 Series, QFX5K Series deployed as a Virtual Chassis with a specific Layer 2 circuit configuration, Packet Forwarding Engine manager FXPC process may crash and restart upon receipt of specific layer 2 frames. Continued receipt and processi...

CVE-2021-0237

Technical details of CVE-2021-0237 are not publicly provided in the connected documents; no concrete root-cause or fix details are included. Monitor for updates from vendors and advisories.

CVE-2021-0237

On Juniper Networks EX4300-MP Series, EX4600 Series, EX4650 Series, QFX5K Series deployed as a Virtual Chassis with a specific Layer 2 circuit configuration, Packet Forwarding Engine manager FXPC process may crash and restart upon receipt of specific layer 2 frames. Continued receipt and processi...

The vulnerability of Junos router operating systems of the EX4300-MP, EX4600, and QFX5K series is related to an uncontrolled resource consumption, which allows a attacker to cause service interruptions.

The vulnerability of Junos operating system routers of the EX4300-MP, EX4600, and QFX5K series is related to an uncontrolled resource consumption. Exploiting this vulnerability can allow a malicious actor, operating remotely, to cause service failures by using specially crafted channel layer...

The vulnerability of Junos operating system routers models NFX250, QFX5K, EX2300, EX3400, EX4300 Multigigabit, and EX4600 is related to the occurrence of interpretation conflicts, which allows attackers to cause service failures.

The vulnerability of Junos operating system routers models NFX250, QFX5K, EX2300, EX3400, EX4300 Multigigabit, and EX4600 is related to the occurrence of interpretation conflicts. Exploiting this vulnerability can allow a malicious actor to cause service failures by sending specially crafted...

CVE-2021-0203

On Juniper Networks EX and QFX5K Series platforms configured with Redundant Trunk Group RTG, Storm Control profile applied on the RTG interface might not take affect when it reaches the threshold condition. Storm Control enables the device to monitor traffic levels and to drop broadcast, multicas...

CVE-2021-0207

An improper interpretation conflict of certain data between certain software components within the Juniper Networks Junos OS devices does not allow certain traffic to pass through the device upon receipt from an ingress interface filtering certain specific types of traffic which is then being...