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...

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...

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...

CVE-2023-44181: Loop with Unreachable Exit Condition

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...

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: Improper Preservation of Consistency Between Independent Representations of Shared State

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-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.

PT-2021-12968

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS on QFX5K Series versions 17.3 through 17.3R3-S11 Juniper Networks Junos OS on QFX5K Series versions 17.4 through 17.4R3-S5 Juniper Networks Junos OS on QFX5K Series versions 18.1 through 18.1R3-S13 Juniper Networks...

CVE-2021-0237: Undefined Security Weakness

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...