
CVE-2025-21599 – Junos OS Evolved: Receipt of specifically malformed IPv6 packets causes kernel memory exhaustion leading to Denial of Service
https://notcve.org/view.php?id=CVE-2025-21599
09 Jan 2025 — A Missing Release of Memory after Effective Lifetime vulnerability in the Juniper Tunnel Driver (jtd) of Juniper Networks Junos OS Evolved allows an unauthenticated network-based attacker to cause Denial of Service. Receipt of specifically malformed IPv6 packets, destined to the device, causes kernel memory to not be freed, resulting in memory exhaustion leading to a system crash and Denial of Service (DoS). Continuous receipt and processing of these packets will continue to exhaust kernel memory, creating ... • https://supportportal.juniper.net/JSA92869 • CWE-401: Missing Release of Memory after Effective Lifetime •

CVE-2025-21593 – Junos OS and Junos OS Evolved: On SRv6 enabled devices, an attacker sending a malformed BGP update can cause the rpd to crash
https://notcve.org/view.php?id=CVE-2025-21593
09 Jan 2025 — An Improper Control of a Resource Through its 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). On devices with SRv6 (Segment Routing over IPv6) enabled, an attacker can send a malformed BGP UPDATE packet which will cause the rpd to crash and restart. Continued receipt of these UPDATE packets will cause a sustained DoS condition. This issue affects iBGP and eBGP, a... • https://supportportal.juniper.net/JSA92861 • CWE-664: Improper Control of a Resource Through its Lifetime •

CVE-2024-47502 – Junos OS Evolved: TCP session state is not always cleared on the Routing Engine leading to DoS
https://notcve.org/view.php?id=CVE-2024-47502
11 Oct 2024 — 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). In specific cases the state of TCP sessions that are terminated is not cleared, which over time leads to an exhaustion of resources, preventing new connections to the control plane from being established. A continuously increasing number of connections shown by: user@host > show system connections is ind... • https://supportportal.juniper.net/JSA88132 • CWE-770: Allocation of Resources Without Limits or Throttling •

CVE-2024-47499 – Junos OS and Junos OS Evolved: In a BMP scenario receipt of a malformed AS PATH attribute can cause an RPD crash
https://notcve.org/view.php?id=CVE-2024-47499
11 Oct 2024 — An Improper Check for Unusual or Exceptional Conditions 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 scenario where BGP Monitoring Protocol (BMP) is configured with rib-in pre-policy monitoring, receiving a BGP update with a specifically malformed AS PATH attribute over an established BGP session, can cause an RPD crash and restart. This issue affects: Junos OS: ... • https://supportportal.juniper.net/JSA88129 • CWE-754: Improper Check for Unusual or Exceptional Conditions •

CVE-2024-47495 – Junos OS Evolved: In a dual-RE scenario a locally authenticated attacker with shell privileges can take over the device.
https://notcve.org/view.php?id=CVE-2024-47495
11 Oct 2024 — An Authorization Bypass Through User-Controlled Key vulnerability allows a locally authenticated attacker with shell access to gain full control of the device when Dual Routing Engines (REs) are in use on Juniper Networks Junos OS Evolved devices. This issue affects: Juniper Networks Junos OS Evolved with dual-REs: * All versions before 21.2R3-S8-EVO, * from 21.4-EVO before 21.4R3-S8-EVO, * from 22.2-EVO before 22.2R3-S4-EVO, * from 22.3-EVO before 22.3R3-S4-EVO, * from 22.4-EVO before 22.4R3-S3-EVO, * from... • https://kb.juniper.net/JSA88122 • CWE-639: Authorization Bypass Through User-Controlled Key •

CVE-2024-47491 – Junos OS and Junos OS Evolved: Receipt of a specific malformed BGP path attribute leads to an RPD crash
https://notcve.org/view.php?id=CVE-2024-47491
11 Oct 2024 — An Improper Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to cause Denial of Service (DoS). When a BGP UPDATE with malformed path attribute is received over an established BGP session, rpd crashes and restarts. Continuous receipt of a BGP UPDATE with a specifically malformed path attribute will create a sustained Denial of Service (DoS) condition for impacted devices. Th... • https://supportportal.juniper.net • CWE-755: Improper Handling of Exceptional Conditions •

CVE-2024-47490 – Junos OS Evolved: ACX 7000 Series: Receipt of specific transit MPLS packets causes resources to be exhausted
https://notcve.org/view.php?id=CVE-2024-47490
11 Oct 2024 — An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX 7000 Series allows an unauthenticated, network based attacker to cause increased consumption of resources, ultimately resulting in a Denial of Service (DoS). When specific transit MPLS packets are received by the PFE, these packets are internally forwarded to the Routing Engine (RE), rather than being handled appropriately. Continuous receipt ... • https://supportportal.juniper.net/JSA83009 • CWE-923: Improper Restriction of Communication Channel to Intended Endpoints •

CVE-2024-47489 – Junos OS Evolved: ACX Series: Receipt of specific transit protocol packets is incorrectly processed by the RE
https://notcve.org/view.php?id=CVE-2024-47489
11 Oct 2024 — An Improper Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of the Juniper Networks Junos OS Evolved on ACX Series devices allows an unauthenticated, network based attacker sending specific transit protocol traffic to cause a partial Denial of Service (DoS) to downstream devices. Receipt of specific transit protocol packets is incorrectly processed by the Routing Engine (RE), filling up the DDoS protection queue which is shared between routing protocols. This influx of... • https://supportportal.juniper.net • CWE-755: Improper Handling of Exceptional Conditions •

CVE-2024-39534 – Junos OS Evolved: Connections to the network and broadcast address accepted
https://notcve.org/view.php?id=CVE-2024-39534
11 Oct 2024 — An Incorrect Comparison vulnerability in the local address verification API of Juniper Networks Junos OS Evolved allows an unauthenticated network-adjacent attacker to create sessions or send traffic to the device using the network and broadcast address of the subnet assigned to an interface. This is unintended and unexpected behavior and can allow an attacker to bypass certain compensating controls, such as stateless firewall filters. This issue affects Junos OS Evolved: * All versions before 21.4R3-S8-EVO... • https://supportportal.juniper.net/JSA88105 • CWE-697: Incorrect Comparison •

CVE-2024-39526 – Junos OS and Junos OS Evolved: MX Series with MPC10/MPC11/LC9600, MX304, EX9200, PTX Series: Receipt of malformed DHCP packets causes interfaces to stop processing packets
https://notcve.org/view.php?id=CVE-2024-39526
11 Oct 2024 — An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series with MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C lines cards, MX304 devices, and Juniper Networks Junos OS Evolved on PTX Series, allows an attacker sending malformed DHCP packets to cause ingress packet processing to stop, leading to a Denial of Service (DoS). Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This is... • https://supportportal.juniper.net/JSA88103 • CWE-755: Improper Handling of Exceptional Conditions •