Juniper Networks Junos OS Evolved vulnerabilities

CVE-2022-22196 [MEDIUM] CWE-754 CVE-2022-22196: An Improper Check for Unusual or Exceptional Conditions vulnerability in the Routing Protocol Daemon 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 adjacent, unauthenticated attacker with an established ISIS adjacency to cause a Denial of Service (DoS). The rpd CPU spikes to 100% after a malformed ISIS TLV has been received which

CVE-2021-0292 [MEDIUM] CWE-400 CVE-2021-0292: An Uncontrolled Resource Consumption vulnerability in the ARP daemon (arpd) and Network Discovery Pr 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. Link-layer functions such as IPv4 and/or IPv6 address re

CVE-2022-22172 [MEDIUM] CWE-401 CVE-2022-22172: A Missing Release of Memory after Effective Lifetime vulnerability in the Layer-2 control protocols A Missing Release of Memory after Effective Lifetime vulnerability in the Layer-2 control protocols daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a memory leak. Continued exploitation can lead to memory exhaustion and thereby a Denial of Service (DoS). This issue occurs when spec

CVE-2022-22214 [MEDIUM] CWE-20 CVE-2022-22214: An Improper Input Validation vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks An Improper Input Validation vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent attacker to cause a PFE crash and thereby a Denial of Service (DoS). An FPC will crash and reboot after receiving a specific transit IPv6 packet over MPLS. Continued receipt of this packet will create a

CVE-2022-22230 [MEDIUM] CWE-20 CVE-2022-22230: An Improper Input Validation vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks An Improper Input Validation vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause DoS (Denial of Service). If another router generates more than one specific valid OSPFv3 LSA then rpd will crash while processing these LSAs. This issue only affects syst

CVE-2022-22224 [MEDIUM] CWE-703 CVE-2022-22224: An Improper Check or Handling of Exceptional Conditions vulnerability in the processing of a malform An Improper Check or Handling of Exceptional Conditions vulnerability in the processing of a malformed OSPF TLV in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause the periodic packet management daemon (PPMD) process to go into an infinite loop, which in turn can cause protocols and functions relian

CVE-2023-36849 [MEDIUM] CWE-703 CVE-2023-36849: An Improper Check or Handling of Exceptional Conditions vulnerability in the Layer-2 control protoco An Improper Check or Handling of Exceptional Conditions vulnerability in the Layer-2 control protocols daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS). When a malformed LLDP packet is received, l2cpd will crash and restart. The impact of the l2cpd crash

CVE-2022-22238 [MEDIUM] CWE-754 CVE-2022-22238: An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon 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, adjacent attacker to cause a Denial of Service (DoS). When an incoming RESV message corresponding to a protected LSP is malformed it causes an incorrect internal state

CVE-2024-21613 [MEDIUM] CWE-401 CVE-2024-21613: A Missing Release of Memory after Effective Lifetime vulnerability in Routing Protocol Daemon (RPD) 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, when traffic engineering is enabled for OSPF or I

CVE-2024-30403 [MEDIUM] CWE-476 CVE-2024-30403: A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks J A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). When Layer 2 traffic is sent through a logical interface, MAC learning happens. If during this process, the interface flaps, an Advanced Forwarding Toolk

CVE-2024-39517 [MEDIUM] CWE-754 CVE-2024-39517: An Improper Check for Unusual or Exceptional Conditions vulnerability in the Layer 2 Address Learnin An Improper Check for Unusual or Exceptional Conditions vulnerability in the Layer 2 Address Learning Daemon (l2ald) on Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause Denial of Service (DoS). In an EVPN/VXLAN scenario, when a high amount specific Layer 2 packets are processed by the device, it c

CVE-2024-39514 [MEDIUM] CWE-703 CVE-2024-39514: An Improper Check or Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon An Improper Check or Handling of Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). An attacker can send specific traffic to the device, which causes the rpd to crash and restart. Continued receipt o

CVE-2021-0273 [MEDIUM] CWE-670 CVE-2021-0273: An always-incorrect control flow implementation in the implicit filter terms of Juniper Networks Jun An always-incorrect control flow implementation in the implicit filter terms of Juniper Networks Junos OS and Junos OS Evolved on ACX5800, EX9200 Series, MX10000 Series, MX240, MX480, MX960 devices with affected Trio line cards allows an attacker to exploit an interdependency in the PFE UCODE microcode of the Trio chipset with various line cards to ca

CVE-2023-44187 [MEDIUM] CWE-200 CVE-2023-44187: An Exposure of Sensitive Information vulnerability in the 'file copy' command of Junos OS Evolved al An Exposure of Sensitive Information vulnerability in the 'file copy' command of Junos OS Evolved allows a local, authenticated attacker with shell access to view passwords supplied on the CLI command-line. These credentials can then be used to provide unauthorized access to the remote system. This issue affects Juniper Networks Junos OS Evolved: *

CVE-2023-44201 [MEDIUM] CWE-732 CVE-2023-44201: An Incorrect Permission Assignment for Critical Resource vulnerability in a specific file of Junipe An Incorrect Permission Assignment for Critical Resource vulnerability in a specific file of Juniper Networks Junos OS and Junos OS Evolved allows a local authenticated attacker to read configuration changes without having the permissions. When a user with the respective permissions commits a configuration change, a specific file is created. That fi

CVE-2026-33776 [MEDIUM] CWE-862 CVE-2026-33776: A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved a A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information. A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive information. This issue affects Junos OS: * all versio

CVE-2025-59961 [MEDIUM] CWE-732 CVE-2025-59961: An Incorrect Permission Assignment for Critical Resource vulnerability in the Juniper DHCP daemon (j An Incorrect Permission Assignment for Critical Resource vulnerability in the Juniper DHCP daemon (jdhcpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to write to the Unix socket used to manage the jdhcpd process, resulting in complete control over the resource. This vulnerability allows any low-privileged

CVE-2021-0239 [MEDIUM] CWE-754 CVE-2021-0239: In Juniper Networks Junos OS Evolved, receipt of a stream of specific genuine Layer 2 frames may cau 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 restart, leading to a Denial of Service (DoS) cond

CVE-2021-0287 [MEDIUM] CWE-754 CVE-2021-0287: In a Segment Routing ISIS (SR-ISIS)/MPLS environment, on Juniper Networks Junos OS and Junos OS Evol In a Segment Routing ISIS (SR-ISIS)/MPLS environment, on Juniper Networks Junos OS and Junos OS Evolved devices, configured with ISIS Flexible Algorithm for Segment Routing and sensor-based statistics, a flap of a ISIS link in the network, can lead to a routing process daemon (RPD) crash and restart, causing a Denial of Service (DoS). Continued link f

CVE-2023-36833 [MEDIUM] CWE-416 CVE-2023-36833: A Use After Free vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS Ev A Use After Free vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS Evolved on PTX10001-36MR, and PTX10004, PTX10008, PTX10016 with LC1201/1202 allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS). The process 'aftman-bt' will crash after multiple flaps on a multicast-only fast reroute (MoFRR