CVE-2021-0243

Improper Handling of Unexpected Data in the firewall policer of Juniper Networks Junos OS on EX4300 switches allows matching traffic to exceed set policer limits, possibly leading to a limited Denial of Service DoS condition. When the firewall policer discard action fails on a Layer 2 port, it wi...

CVE-2021-0246

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

CVE-2021-0254

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...

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-2021-0251

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-2021-0250

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-2021-0248

This issue is not applicable to NFX NextGen Software. On NFX Series devices the use of Hard-coded Credentials in Juniper Networks Junos OS allows an attacker to take over any instance of an NFX deployment. This issue is only exploitable through administrative interfaces. This issue affects: Junip...

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-2021-0256

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-2021-0258

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-2021-0247

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-2021-0251

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-2021-0267

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-2021-0237

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-2021-0226

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-2021-0239

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-2021-0227

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...