CVE-2021-0295

The CVE-2021-0295 issue affects Juniper Networks Junos OS on QFX10K Series switches (e.g., QFX10002/10008/10016). It’s caused by DVMRP packets looping on a multi-homed ESI when VXLAN is configured, leading to a packet forwarding loop that triggers a partial DoS. Affected versions include multiple...

CVE-2021-0294

CVE-2021-0294 affects Junos OS 18.4R2-S5 on QFX5000 Series and EX4600 Series; when storm-control enhanced is configured, the enhanced storm control filter group may not be installed, causing storm control to fail and potentially high CPU usage or packet loss from excessive broadcast/unknown unica...

CVE-2021-0294 Junos OS: QFX5000 Series and EX4600 Series: Enhanced storm control might not work leading to partial Denial of Service

A vulnerability in Juniper Networks Junos OS, which only affects the release 18.4R2-S5, where a function is inconsistently implemented on Juniper Networks Junos QFX5000 Series and EX4600 Series, and if "storm-control enhanced" is configured, can lead to the enhanced storm control filter group not...

CVE-2021-0293

CVE-2021-0293 describes a memory leak in Junos OS caused by Missing Release of Memory after Effective Lifetime. Repeated execution of the CLI command 'show system connections extensive' can cause memory to leak per invocation, depending on TCP connections, potentially leading to daemon memory pre...

CVE-2021-0293 Junos OS: Out-of-memory condition and crashes can occur after executing a certain CLI command repeatedly

A vulnerability in Juniper Networks Junos OS caused by Missing Release of Memory after Effective Lifetime leads to a memory leak each time the CLI command 'show system connections extensive' is executed. The amount of memory leaked on each execution depends on the number of TCP connections from a...

CVE-2021-0292 Junos OS Evolved: Memory leak in arpd or ndp processes can lead to Denial of Service (DoS)

An Uncontrolled Resource Consumption vulnerability in the ARP daemon arpd and Network Discovery Protocol ndp process of Juniper Networks Junos OS Evolved allows a malicious attacker on the local network to consume memory resources, ultimately resulting in a Denial of Service DoS condition...

CVE-2021-0292

CVE-2021-0292 corresponds to a memory-leak DoS in Juniper Networks Junos OS Evolved’s arpd and ndp processes. Affected are Junos OS Evolved versions 19.4 prior to 19.4R2-S3-EVO; 20.1 prior to 20.1R2-S4-EVO; and all 20.2-EVO. The vulnerability allows a local attacker on the same network to drive u...

CVE-2021-0291

CVE-2021-0291 affects Juniper Networks Junos OS and Junos OS Evolved. The vulnerability is an Exposure of System Data where a network-based, unauthenticated attacker can send traffic that partially reaches a sensitive system resource, potentially causing partial DoS through elevated CPU on the RE...

CVE-2021-0291 Junos OS and Junos OS Evolved: A vulnerability allows a network based unauthenticated attacker which sends a high rate of specific traffic to cause a partial Denial of Service

An Exposure of System Data vulnerability in Juniper Networks Junos OS and Junos OS Evolved, where a sensitive system-level resource is not being sufficiently protected, allows a network-based unauthenticated attacker to send specific traffic which partially reaches this resource. A high rate of...

CVE-2021-0290 Junos OS: MX Series, EX9200 Series, SRX4600: Ethernet interface vulnerable to specially crafted frames

Improper Handling of Exceptional Conditions in Ethernet interface frame processing of Juniper Networks Junos OS allows an attacker to send specially crafted frames over the local Ethernet segment, causing the interface to go into a down state, resulting in a Denial of Service DoS condition. The...

CVE-2021-0290

The CVE-2021-0290 issue is a Junos OS vulnerability where specially crafted Ethernet frames can cause an interface to permanently go down, leading to a DoS. Affected are MX Series, EX9200 Series, and SRX4600 devices with specific platform families and Junos OS versions listed in the CVE details (...

CVE-2021-0289 Junos OS: User-defined ARP Policer isn't applied on Aggregated Ethernet (AE) interface until firewall process is restarted

When user-defined ARP Policer is configured and applied on one or more Aggregated Ethernet AE interface units, a Time-of-check Time-of-use TOCTOU Race Condition vulnerability between the Device Control Daemon DCD and firewall process dfwd daemons of Juniper Networks Junos OS allows an attacker to...

CVE-2021-0289

The CVE-2021-0289 issue in Juniper Junos OS is a TOCTOU race condition between the Device Control Daemon (DCD) and the firewall process (dfwd) that can bypass a user-defined ARP Policer on AE interfaces. Affected software includes Junos OS across multiple releases (from 5.6R1 up to but excluding ...

CVE-2021-0288 Junos OS: MX Series, EX9200 Series: FPC may crash upon receipt of specific MPLS packet affecting Trio-based MPCs

A vulnerability in the processing of specific MPLS packets in Juniper Networks Junos OS on MX Series and EX9200 Series devices with Trio-based MPCs Modular Port Concentrators may cause FPC to crash and lead to a Denial of Service DoS condition. Continued receipt of this packet will sustain the...

CVE-2021-0288

CVE-2021-0288 affects Juniper Junos OS on MX Series and EX9200 Series with Trio-based MPCs. The vulnerability stems from how specific MPLS packets are processed, potentially causing the FPC to crash and triggering a DoS if packets continue to arrive. Affected versions are listed in the core CVE d...

CVE-2021-0287

CVE-2021-0287 affects Juniper Networks Junos OS and Junos OS Evolved in SR-ISIS/MPLS with ISIS Flexible Algorithm and sensor-based statistics. A flap of an ISIS link can crash and restart the RPD, causing Denial of Service (DoS). Affected versions include Junos OS: 19.4 prior to 19.4R1-S4 and 19....

CVE-2021-0286 Junos OS Evolved: Specially crafted packets may cause the AFT manager process to crash and restart

A vulnerability in the handling of exceptional conditions in Juniper Networks Junos OS Evolved EVO allows an attacker to send specially crafted packets to the device, causing the Advanced Forwarding Toolkit manager evo-aftmand-bt or evo-aftmand-zx process to crash and restart, impacting all traff...

CVE-2021-0286

CVE-2021-0286 affects Juniper Networks Junos OS Evolved (EVO). A vulnerability in handling of exceptional conditions can be triggered by specially crafted packets, causing the evo-aftmand-bt or evo-aftmand-zx process to crash and restart, which disrupts all traffic through the FPC and leads to a ...

CVE-2021-0285 Junos OS: QFX5000 Series and EX4600 Series: Continuous traffic destined to a device configured with MC-LAG leading to nodes losing their control connection which can impact traffic

An uncontrolled resource consumption vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series switches allows an attacker sending large amounts of legitimate traffic destined to the device to cause Interchassis Control Protocol ICCP interruptions, leading to an unstable...

CVE-2021-0285

CVE-2021-0285 describes an uncontrolled resource consumption vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series switches. The issue allows an attacker to send large volumes of legitimate traffic to a device, causing ICCP interruptions and an unstable MC-LAG control con...