CVE-2021-0227

An improper restriction of operations within the bounds of a memory buffer vulnerability in Juniper Networks Junos OS J-Web on SRX Series devices allows an attacker to cause Denial of Service DoS by sending certain crafted HTTP packets. Continued receipt and processing of these packets will creat...

CVE-2021-0239

In Juniper Networks Junos OS Evolved, receipt of a stream of specific genuine Layer 2 frames may cause the Advanced Forwarding Toolkit AFT manager process Evo-aftmand, responsible for handling Route, Class-of-Service CoS, Firewall operations within the packet forwarding engine PFE to crash and...

CVE-2021-0224

A vulnerability in the handling of internal resources necessary to bring up a large number of Layer 2 broadband remote access subscriber BRAS nodes in Juniper Networks Junos OS can cause the Access Node Control Protocol daemon ANCPD to crash and restart, leading to a Denial of Service DoS...

CVE-2021-0238

When a MX Series is configured as a Broadband Network Gateway BNG based on Layer 2 Tunneling Protocol L2TP, executing certain CLI command may cause the system to run out of disk space, excessive disk usage may cause other complications. An administrator can use the following CLI command to monito...

CVE-2021-0228

An improper check for unusual or exceptional conditions vulnerability in Juniper Networks MX Series platforms with Trio-based MPC Modular Port Concentrator deployed in Ethernet VPN EVPN-Virtual Extensible LAN VXLAN configuration, may allow an attacker sending specific Layer 2 traffic to cause...

CVE-2021-0216

A vulnerability in Juniper Networks Junos OS running on the ACX5448 and ACX710 platforms may cause BFD sessions to flap when a high rate of transit ARP packets are received. This, in turn, may impact routing protocols and network stability, leading to a Denial of Service DoS condition. When a hig...

CVE-2021-0229

An uncontrolled resource consumption vulnerability in Message Queue Telemetry Transport MQTT server of Juniper Networks Junos OS allows an attacker to cause MQTT server to crash and restart leading to a Denial of Service DoS by sending a stream of specific packets. A Juniper Extension Toolkit JET...

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...

CVE-2021-0240

On Juniper Networks Junos OS platforms configured as DHCPv6 local server or DHCPv6 Relay Agent, the Juniper Networks Dynamic Host Configuration Protocol Daemon JDHCPD process might crash if a malformed DHCPv6 packet is received, resulting in a restart of the daemon. The daemon automatically...

CVE-2021-0232

An authentication bypass vulnerability in the Juniper Networks Paragon Active Assurance Control Center may allow an attacker with specific information about the deployment to mimic an already registered Test Agent and access its configuration including associated inventory details. If the issue...

CVE-2021-0236

Due to an improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved the Routing Protocol Daemon RPD service, upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, crashes and restarts causing a Denial of...

Null pointer dereference

A NULL Pointer Dereference vulnerability in the Captive Portal Content Delivery CPCD services daemon cpcd of Juniper Networks Junos OS on MX Series with MS-PIC, MS-SPC3, MS-MIC or MS-MPC allows an attacker to send malformed HTTP packets to the device thereby causing a Denial of Service DoS,...

Command injection

A vulnerability due to the improper handling of direct memory access DMA buffers on EX4300 switches on Juniper Networks Junos OS allows an attacker sending specific unicast frames to trigger a Denial of Service DoS condition by exhausting DMA buffers, causing the FPC to crash and the device to...

Remote code execution

NFX Series devices using Juniper Networks Junos OS are susceptible to a local code execution vulnerability thereby allowing an attacker to elevate their privileges via the Junos Device Management Daemon JDMD process. This issue affects Juniper Networks Junos OS on NFX Series: 18.1 version 18.1R1...

Design/Logic Flaw

A vulnerability in Juniper Networks Junos OS running on the ACX5448 and ACX710 platforms may cause BFD sessions to flap when a high rate of transit ARP packets are received. This, in turn, may impact routing protocols and network stability, leading to a Denial of Service DoS condition. When a hig...

Design/Logic Flaw

A vulnerability in the processing of traffic matching a firewall filter containing a syslog action in Juniper Networks Junos OS on MX Series with MPC10/MPC11 cards installed, PTX10003 and PTX10008 Series devices, will cause the line card to crash and restart, creating a Denial of Service DoS...

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 ...

Buffer overflow

A buffer size validation vulnerability in the overlayd service of Juniper Networks Junos OS may allow an unauthenticated remote attacker to send specially crafted packets to the device, triggering a partial Denial of Service DoS condition, or leading to remote code execution RCE. Continued receip...

Design/Logic Flaw

On Juniper Networks Junos OS platforms configured as DHCPv6 local server or DHCPv6 Relay Agent, Juniper Networks Dynamic Host Configuration Protocol Daemon JDHCPD process might crash with a core dump if a specific DHCPv6 packet is received, resulting in a restart of the daemon. The daemon...

Design/Logic Flaw

An always-incorrect control flow implementation in the implicit filter terms of Juniper Networks Junos OS and Junos OS Evolved on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960 devices with affected Trio line cards allows an attacker to exploit an interdependency in the PFE UCODE...