Juniper Junos vulnerabilities

CVE-2018-0055 [MEDIUM] CWE-20 CVE-2018-0055: Receipt of a specially crafted DHCPv6 message destined to a Junos OS device configured as a DHCP ser Receipt of a specially crafted DHCPv6 message destined to a Junos OS device configured as a DHCP server in a Broadband Edge (BBE) environment may result in a jdhcpd daemon crash. The daemon automatically restarts without intervention, but a continuous receipt of crafted DHCPv6 packets could leaded to an extended denial of service condition. This issue

CVE-2015-5363 [MEDIUM] CWE-19 CVE-2015-5363: The SRX Network Security Daemon (nsd) in Juniper SRX Series services gateways with Junos 12.1X44 bef The SRX Network Security Daemon (nsd) in Juniper SRX Series services gateways with Junos 12.1X44 before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, and 12.3X48 before 12.3X48-D15 allows remote DNS servers to cause a denial of service (crash) via a crafted DNS response.

CVE-2021-0289 [MEDIUM] CWE-367 CVE-2021-0289: When user-defined ARP Policer is configured and applied on one or more Aggregated Ethernet (AE) inte When user-defined ARP Policer is configured and applied on one or more Aggregated Ethernet (AE) interface units, a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability between the Device Control Daemon (DCD) and firewall process (dfwd) daemons of Juniper Networks Junos OS allows an attacker to bypass the user-defined ARP Policer. In this pa

CVE-2023-28984 [MEDIUM] CWE-362 CVE-2023-28984: A Use After Free vulnerability in the Layer 2 Address Learning Manager (l2alm) of Juniper Networks J A Use After Free vulnerability in the Layer 2 Address Learning Manager (l2alm) of Juniper Networks Junos OS on QFX Series allows an adjacent attacker to cause the Packet Forwarding Engine to crash and restart, leading to a Denial of Service (DoS). The PFE may crash when a lot of MAC learning and aging happens, but due to a Race Condition (Concurrent

CVE-2024-21615 [MEDIUM] CWE-276 CVE-2024-21615: An Incorrect Default Permissions vulnerability in Juniper Networks Junos OS and Junos OS Evolved all An Incorrect Default Permissions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to access confidential information on the system. On all Junos OS and Junos OS Evolved platforms, when NETCONF traceoptions are configured, and a super-user performs specific actions via NETCONF, then a low-privil

CVE-2023-28979 [MEDIUM] CWE-754 CVE-2023-28979: An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Netwo An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to bypass an integrity check. In a 6PE scenario and if an additional integrity check is configured, it will fail to drop specific malformed IPv6 packets, and then these packets will be forwarded

CVE-2026-57031 [MEDIUM] CWE-754 CVE-2026-57031: An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engin An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on MX Series allows adjacent subscribers to bypass configured firewall filters. On MX Series devices with MPC10/11, LC4800/9600, and MX304 with subscribers configured on static interfaces, ingress firewall filters

CVE-2019-0009 [MEDIUM] CVE-2019-0009: On EX2300 and EX3400 series, high disk I/O operations may disrupt the communication between the rout On EX2300 and EX3400 series, high disk I/O operations may disrupt the communication between the routing engine (RE) and the packet forwarding engine (PFE). In a virtual chassis (VC) deployment, this issue disrupts communication between the VC members. This issue does not affect other Junos platforms. Affected releases are Junos OS on EX2300 and EX3400 series:

CVE-2021-0238 [MEDIUM] CWE-400 CVE-2021-0238: When a MX Series is configured as a Broadband Network Gateway (BNG) based on Layer 2 Tunneling Proto 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 monitor the available disk space: user@device> show system

CVE-2024-47501 [MEDIUM] CWE-476 CVE-2024-47501: A NULL Pointer Dereference vulnerability in the packet forwarding engine (pfe) of Juniper Networks A NULL Pointer Dereference vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on MX304, MX with MPC10/11/LC9600, and EX9200 with EX9200-15C allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS). In a VPLS or Junos Fusion scenario, the execution of specific show commands will caus

CVE-2018-0006 [MEDIUM] CWE-770 CVE-2018-0006: A high rate of VLAN authentication attempts sent from an adjacent host on the local broadcast domain A high rate of VLAN authentication attempts sent from an adjacent host on the local broadcast domain can trigger high memory utilization by the BBE subscriber management daemon (bbe-smgd), and lead to a denial of service condition. The issue was caused by attempting to process an unbounded number of pending VLAN authentication requests, leading to exc

CVE-2018-0056 [MEDIUM] CWE-20 CVE-2018-0056: If a duplicate MAC address is learned by two different interfaces on an MX Series device, the MAC ad If a duplicate MAC address is learned by two different interfaces on an MX Series device, the MAC address learning function correctly flaps between the interfaces. However, the Layer 2 Address Learning Daemon (L2ALD) daemon might crash when attempting to delete the duplicate MAC address when the particular entry is not found in the internal MAC address

CVE-2024-21610 [MEDIUM] CWE-755 CVE-2024-21610: An Improper Handling of Exceptional Conditions vulnerability in the Class of Service daemon (cosd) o An Improper Handling of Exceptional Conditions vulnerability in the Class of Service daemon (cosd) of Juniper Networks Junos OS allows an authenticated, network-based attacker with low privileges to cause a limited Denial of Service (DoS). In a scaled CoS scenario with 1000s of interfaces, when specific low privileged commands, received over NETCON

CVE-2013-7313 [MEDIUM] CVE-2013-7313: The OSPF implementation in Juniper Junos through 13.x, JunosE, and ScreenOS through 6.3.x does not c The OSPF implementation in Juniper Junos through 13.x, JunosE, and ScreenOS through 6.3.x does not consider the possibility of duplicate Link State ID values in Link State Advertisement (LSA) packets before performing operations on the LSA database, which allows remote attackers to cause a denial of service (routing disruption) or obtain sensitive packet info

CVE-2013-6170 [MEDIUM] CWE-20 CVE-2013-6170: Juniper Junos 10.0 before 10.0S28, 10.4 before 10.4R7, 11.1 before 11.1R5, 11.2 before 11.2R2, and 1 Juniper Junos 10.0 before 10.0S28, 10.4 before 10.4R7, 11.1 before 11.1R5, 11.2 before 11.2R2, and 11.4 before 11.4R1, when in a Next-Generation Multicast VPN (NGEN MVPN) environment, allows remote attackers to cause a denial of service (RPD routing daemon crash) via a large number of crafted PIM (S,G) join requests.

CVE-2014-2712 [MEDIUM] CWE-79 CVE-2014-2712: Cross-site scripting (XSS) vulnerability in J-Web in Juniper Junos before 10.0S25, 10.4 before 10.4R Cross-site scripting (XSS) vulnerability in J-Web in Juniper Junos before 10.0S25, 10.4 before 10.4R10, 11.4 before 11.4R11, 12.1 before 12.1R9, 12.1X44 before 12.1X44-D30, 12.1X45 before 12.1X45-D20, 12.1X46 before 12.1X46-D10, and 12.2 before 12.2R1 allows remote attackers to inject arbitrary web script or HTML via unspecified parameters to index.php

CVE-2014-2711 [MEDIUM] CWE-79 CVE-2014-2711: Cross-site scripting (XSS) vulnerability in J-Web in Juniper Junos before 11.4R11, 11.4X27 before 11 Cross-site scripting (XSS) vulnerability in J-Web in Juniper Junos before 11.4R11, 11.4X27 before 11.4X27.62 (BBE), 12.1 before 12.1R9, 12.1X44 before 12.1X44-D35, 12.1X45 before 12.1X45-D25, 12.1X46 before 12.1X46-D20, 12.2 before 12.2R7, 12.3 before 12.3R6, 13.1 before 13.1R4, 13.2 before 13.2R3, and 13.3 before 13.3R1 allows remote attackers to inje

CVE-2004-0467 [MEDIUM] CVE-2004-0467: Juniper JUNOS 5.x through JUNOS 7.x allows remote attackers to cause a denial of service (routing di Juniper JUNOS 5.x through JUNOS 7.x allows remote attackers to cause a denial of service (routing disabled) via a large number of MPLS packets, which are not filtered or verified before being sent to the Routing Engine, which reduces the speed at which other packets are processed.

CVE-2015-3005 [MEDIUM] CWE-79 CVE-2015-3005: Cross-site scripting (XSS) vulnerability in the Dynamic VPN in Juniper Junos 12.1X44 before 12.1X44- Cross-site scripting (XSS) vulnerability in the Dynamic VPN in Juniper Junos 12.1X44 before 12.1X44-D45, 12.1X46 before 12.1X46-D30, 12.1X47 before 12.1X47-D20, and 12.3X48 before 12.3X48-D10 on SRX series devices allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

CVE-2021-0243 [MEDIUM] CWE-241 CVE-2021-0243: Improper Handling of Unexpected Data in the firewall policer of Juniper Networks Junos OS on EX4300 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 will allow traffic to pass even though it exceeds set pol