CVE-2021-0264

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...

CVE-2021-0261

A vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN DVPN, Firewall Authentication Pass-Through with Web-Redirect, and Captive Portal allows an unauthenticated attacker to cause an extended Denial of Service DoS for these services by sending a high number of...

CVE-2021-0242

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-2021-0256

A sensitive information disclosure vulnerability in the mosquitto message broker of Juniper Networks Junos OS may allow a locally authenticated user with shell access the ability to read portions of sensitive files, such as the master.passwd file. Since mosquitto is shipped with setuid permission...

CVE-2021-0267

An Improper Input Validation vulnerability in the active-lease query portion in JDHCPD's DHCP Relay Agent of Juniper Networks Junos OS allows an attacker to cause a Denial of Service DoS by sending a crafted DHCP packet to the device thereby crashing the jdhcpd DHCP service. This is typically...

CVE-2021-0247

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-2021-0250

In segment routing traffic engineering SRTE environments where the BGP Monitoring Protocol BMP feature is enable, a vulnerability in the Routing Protocol Daemon RPD process of Juniper Networks Junos OS allows an attacker to send a specific crafted BGP update message causing the RPD service to cor...

CVE-2021-0251

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,...

CVE-2021-0257

On Juniper Networks MX Series and EX9200 Series platforms with Trio-based MPCs Modular Port Concentrators where Integrated Routing and Bridging IRB interfaces are configured and mapped to a VPLS instance or a Bridge-Domain, certain Layer 2 network events at Customer Edge CE devices may cause memo...

CVE-2021-0258

A vulnerability in the forwarding of transit TCPv6 packets received on the Ethernet management interface of Juniper Networks Junos OS allows an attacker to trigger a kernel panic, leading to a Denial of Service DoS. Continued receipt and processing of these transit packets will create a sustained...

CVE-2021-0266

The use of multiple hard-coded cryptographic keys in cSRX Series software in Juniper Networks Junos OS allows an attacker to take control of any instance of a cSRX deployment through device management services. This issue affects: Juniper Networks Junos OS on cSRX Series: All versions prior to...

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-2021-0226

On Juniper Networks Junos OS Evolved devices, receipt of a specific IPv6 packet may cause an established IPv6 BGP session to terminate, creating a Denial of Service DoS condition. Continued receipt and processing of this packet will create a sustained Denial of Service DoS condition. This issue...

CVE-2021-0235

On SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3, vSRX Series devices using tenant services on Juniper Networks Junos OS, due to incorrect permission scheme assigned to tenant system administrators, a tenant system administrator may inadvertently send their network traffic to...

CVE-2021-0214

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-2021-0230

On Juniper Networks SRX Series devices with link aggregation lag configured, executing any operation that fetches Aggregated Ethernet AE interface statistics, including but not limited to SNMP GET requests, causes a slow kernel memory leak. If all the available memory is consumed, the traffic wil...

CVE-2021-0233

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-2021-0234

Due to an improper Initialization vulnerability on Juniper Networks Junos OS QFX5100-96S devices with QFX 5e Series image installed, ddos-protection configuration changes will not take effect beyond the default DDoS Distributed Denial of Service settings when configured from the CLI. The DDoS...

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...