Critical RCE Vulnerability Uncovered in Juniper SRX Firewalls and EX Switches

Juniper Networks has released updates to fix a critical remote code execution RCE vulnerability in its SRX Series firewalls and EX Series switches. The issue, tracked as CVE-2024-21591, is rated 9.8 on the CVSS scoring system. "An out-of-bounds write vulnerability in J-Web of Juniper Networks Jun...

CVE-2024-21617

An Incomplete Cleanup vulnerability in Nonstop active routing NSR component of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause memory leak leading to Denial of Service DoS. On all Junos OS platforms, when NSR is enabled, a BGP flap will cause memory leak. A manual...

CVE-2024-21616

An Improper Validation of Syntactic Correctness of Input vulnerability in Packet Forwarding Engine PFE of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service DoS. On all Junos OS MX Series and SRX Series platforms, when SIP ALG is enabled, and a...

CVE-2024-21613

A Missing Release of Memory after Effective Lifetime vulnerability in Routing Protocol Daemon RPD of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause an rpd crash, leading to Denial of Service DoS. On all Junos OS and Junos OS Evolved platforms,...

CVE-2024-21614

An Improper Check for Unusual or Exceptional Conditions vulnerability in Routing Protocol Daemon RPD of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to cause rpd to crash, leading to Denial of Service DoS. On all Junos OS and Junos OS Evolved...

CVE-2024-21607

An Unsupported Feature in the UI vulnerability in Juniper Networks Junos OS on MX Series and EX9200 Series allows an unauthenticated, network-based attacker to cause partial impact to the integrity of the device. If the "tcp-reset" option is added to the "reject" action in an IPv6 filter which...

CVE-2024-21611

A Missing Release of Memory after Effective Lifetime vulnerability in the Routing Protocol Daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service DoS. In a Juniper Flow Monitoring jflow scenario route churn that...

CVE-2024-21612

An Improper Handling of Syntactically Invalid Structure vulnerability in Object Flooding Protocol OFP service of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service DoS. On all Junos OS Evolved platforms, when specific TCP packets are...

CVE-2024-21614

An Improper Check for Unusual or Exceptional Conditions vulnerability in Routing Protocol Daemon RPD of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to cause rpd to crash, leading to Denial of Service DoS. On all Junos OS and Junos OS Evolved...

CVE-2024-21602

A NULL Pointer Dereference vulnerability in Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L allows an unauthenticated, network-based attacker to cause a Denial of Service DoS. If a specific IPv4 UDP packet is received and sent to the Routing Engine RE packetio crashes an...

CVE-2024-21603

An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Network Junos OS on MX Series allows a network based attacker with low privileges to cause a denial of service. If a scaled configuration for Source class usage SCU / destination class usage DCU more th...

CVE-2024-21604

An Allocation of Resources Without Limits or Throttling vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service DoS. If a high rate of specific valid packets are processed by the routing engine RE this will le...

CVE-2024-21606

A Double Free vulnerability in the flow processing daemon flowd of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial of Service DoS. In a remote access VPN scenario, if a "tcp-encap-profile" is configured and a sequence of specific packets ...

CVE-2024-21603

An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Network Junos OS on MX Series allows a network based attacker with low privileges to cause a denial of service. If a scaled configuration for Source class usage SCU / destination class usage DCU more th...

CVE-2024-21601

A Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in the Flow-processing Daemon flowd of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service Dos. On SRX Series devices when t...

CVE-2024-21596

A Heap-based Buffer Overflow vulnerability in the Routing Protocol Daemon RPD of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service DoS. If an attacker sends a specific BGP UPDATE message to the device, this will cause a...

CVE-2024-21597

An Exposure of Resource to Wrong Sphere vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass the intended access restrictions. In an Abstracted Fabric AF scenario if routing-instances RI are...

CVE-2024-21599

A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on MX Series allows an adjacent, unauthenticated attacker to cause a Denial of Service DoS. If an MX Series device receives PTP packets on an MPC3E that doesn't...

CVE-2024-21595

An Improper Validation of Syntactic Correctness of Input vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service DoS. If an attacker sends high rate of specific ICMP traffic to a device with VXLAN...

CVE-2024-21596

A Heap-based Buffer Overflow vulnerability in the Routing Protocol Daemon RPD of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service DoS. If an attacker sends a specific BGP UPDATE message to the device, this will cause a...