CVE-2021-0228

CVE-2021-0228 affects Juniper Networks Junos OS on MX Series with Trio-based MPC in EVPN-VXLAN deployments. The issue is an improper check for unusual conditions that allows a specific Layer 2 traffic pattern to trigger DoS protection unexpectedly, sustaining a DoS condition through continued rec...

CVE-2021-0226

CVE-2021-0226 affects Juniper Networks Junos OS Evolved IPv6 BGP sessions. A crafted IPv6 packet can terminate an established IPv6 BGP session, causing a DoS that can persist with continued traffic. Impact is limited to IPv6 IBGP/EBGP peers; IPv4 BGP is not affected. Affected releases on Junos OS...

CVE-2021-0224 Junos OS: ANCPD core when hitting maximum-discovery-table-entries limit

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-2021-0224

CVE-2021-0224 affects Juniper Networks Junos OS and Junos OS Evolved, specifically the ANCPD (Access Node Control Protocol daemon) when handling a high volume of BRAS subscriber connections and the maximum-discovery-table-entries limit. The issue can cause ANCPD to crash and restart, leading to a...

CVE-2021-0225

CVE-2021-0225 concerns Juniper Networks Junos OS Evolved where an improper check for unusual or exceptional conditions can cause the stateless firewall filter configuration using the policer action to fail to take effect when combined with other options. Affected versions are 19.1R1-EVO and above...

CVE-2021-0216

CVE-2021-0216 affects Juniper Networks Junos OS on ACX5448 and ACX710. The issue is that a high rate of transit ARP packets can cause BFD sessions to flap, leading to potential routing instability and a DoS condition. Affected versions include Junos OS on ACX5448/ACX710 prior to specific fixed re...

CVE-2021-0216 Junos OS: ACX5448, ACX710: BFD sessions might flap due to high rate of transit ARP packets

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-2021-0214 Junos OS: Denial of Service in ppmd upon receipt of malformed packet

A vulnerability in the distributed or centralized periodic packet management daemon PPMD of Juniper Networks Junos OS may cause receipt of a malformed packet to crash and restart the PPMD process, leading to network destabilization, service interruption, and a Denial of Service DoS condition...

CVE-2021-0214

The CVE-2021-0214 entry describes a Denial of Service in Juniper Networks Junos OS via the PPMD (periodic packet management daemon) when handling crafted malformed packets. The impact is a crash/restart of PPMD leading to network destabilization and service interruption; continued malformed packe...

CVE-2021-0233: Incomplete Filtering of Multiple Instances of Special Elements

A vulnerability in Juniper Networks Junos OS ACX500 Series, ACX4000 Series, may allow an attacker to cause a Denial of Service DoS by sending a high rate of specific packets to the device, resulting in a Forwarding Engine Board FFEB crash. Continued receipt of these packets will sustain the Denia...

CVE-2021-0229: Uncontrolled Resource Consumption

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-2021-0273: Loop with Unreachable Exit Condition

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...

CVE-2021-0242: Improper Restriction of Operations within the Bounds of a Memory Buffer

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...

CVE-2021-0245: Use of Hard-coded Credentials

A Use of Hard-coded Credentials vulnerability in Juniper Networks Junos OS on Junos Fusion satellite devices allows an attacker who is local to the device to elevate their privileges and take control of the device. This issue affects: Juniper Networks Junos OS Junos Fusion Satellite Devices. 16.1...

CVE-2021-0241: Improper Check or Handling of Exceptional Conditions

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...

CVE-2021-0244: Concurrent Execution using Shared Resource with Improper Synchronization

A signal handler race condition exists in the Layer 2 Address Learning Daemon L2ALD of Juniper Networks Junos OS due to the absence of a specific protection mechanism to avoid a race condition which may allow an attacker to bypass the storm-control feature on devices. This issue is a corner case...

CVE-2021-0228: Improper Check for Unusual or Exceptional Conditions

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-2021-0249: Buffer Copy without Checking Size of Input

On SRX Series devices configured with UTM services a buffer overflow vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS may allow an attacker to arbitrarily execute code or commands on the target to take over or otherwise impact the device by sending crafted packets to...

CVE-2021-0247: Concurrent Execution using Shared Resource with Improper Synchronization

A Race Condition Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in the firewall process dfwd of Juniper Networks Junos OS allows an attacker to bypass the firewall rule sets applied to the input loopback filter on any interfaces of a device. This issue is...

CVE-2021-0252: Improper Neutralization of Special Elements used in a Command

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...