Juniper Networks Junos Os vulnerabilities

CVE-2018-0050 [MEDIUM] CWE-20 CVE-2018-0050: An error handling vulnerability in Routing Protocols Daemon (RPD) of Juniper Networks Junos OS allow An error handling vulnerability in Routing Protocols Daemon (RPD) of Juniper Networks Junos OS allows an attacker to cause RPD to crash. Continued receipt of this malformed MPLS RSVP packet will cause a sustained Denial of Service condition. Affected releases are Juniper Networks Junos OS: 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prio

CVE-2019-0003 [MEDIUM] CWE-617 CVE-2019-0003: When a specific BGP flowspec configuration is enabled and upon receipt of a specific matching BGP pa When a specific BGP flowspec configuration is enabled and upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, a reachable assertion failure occurs, causing the routing protocol daemon (rpd) process to crash with a core file being generated. Affected releases are Juniper Networks Junos OS: 12.1X46 versi

CVE-2026-33775 [MEDIUM] CWE-401 CVE-2026-33775: A Missing Release of Memory after Effective Lifetime vulnerability in the BroadBand Edge subscriber A Missing Release of Memory after Effective Lifetime vulnerability in the BroadBand Edge subscriber management daemon (bbe-smgd) of Juniper Networks Junos OS on MX Series allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS). If the authentication packet-type option is configured and a received packet does not match that pa

CVE-2020-1688 [MEDIUM] CWE-320 CVE-2020-1688: On Juniper Networks SRX Series and NFX Series, a local authenticated user with access to the shell m On Juniper Networks SRX Series and NFX Series, a local authenticated user with access to the shell may obtain the Web API service private key that is used to provide encrypted communication between the Juniper device and the authenticator services. Exploitation of this vulnerability may allow an attacker to decrypt the communications between the Junip

CVE-2025-52964 [MEDIUM] CWE-617 CVE-2025-52964: A Reachable Assertion vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos O A Reachable Assertion 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). When the device receives a specific BGP UPDATE packet, the rpd crashes and restarts. Continuous receipt of this specific packet will cause a

CVE-2026-57027 [MEDIUM] CWE-401 CVE-2026-57027: A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine ( A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on specific EX Series devices allows an unauthenticated adjacent attacker to cause a Denial-of-Service (DoS).When sFlow is configured in a Virtual Chassis (VC) scenario with EX4100 Series or EX4400 Series devices, mul

CVE-2026-33800 [MEDIUM] CWE-606 CVE-2026-33800: An Unchecked Input for Loop Condition vulnerability in the Packet Forwarding Engine (pfe) of Juniper An Unchecked Input for Loop Condition vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on MX Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).Micro-BFD session flaps generate respective up/down events which are queued by PFEMAN for processing. Especially in a Virtual-Chassis (VC)

CVE-2026-33781 [MEDIUM] CWE-754 CVE-2026-33781: 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 specific EX and QFX Series devices allow an unauthenticated, adjacent attacker to cause a complete Denial of Service (DoS). On EX4k, and QFX5k platforms configured as service-provider edge devices, if L2PT is e

CVE-2018-0019 [MEDIUM] CWE-20 CVE-2018-0019: A vulnerability in Junos OS SNMP MIB-II subagent daemon (mib2d) may allow a remote network based att A vulnerability in Junos OS SNMP MIB-II subagent daemon (mib2d) may allow a remote network based attacker to cause the mib2d process to crash resulting in a denial of service condition (DoS) for the SNMP subsystem. While a mib2d process crash can disrupt the network monitoring via SNMP, it does not impact routing, switching or firewall functionalities.

CVE-2018-0009 [MEDIUM] CVE-2018-0009: On Juniper Networks SRX series devices, firewall rules configured to match custom application UUIDs On Juniper Networks SRX series devices, firewall rules configured to match custom application UUIDs starting with zeros can match all TCP traffic. Due to this issue, traffic that should have been blocked by other rules is permitted to flow through the device resulting in a firewall bypass condition. Affected releases are Juniper Networks Junos OS: 12.1X46 vers

CVE-2018-0031 [MEDIUM] CWE-400 CVE-2018-0031: Receipt of specially crafted UDP/IP packets over MPLS may be able to bypass a stateless firewall fil Receipt of specially crafted UDP/IP packets over MPLS may be able to bypass a stateless firewall filter. The crafted UDP packets must be encapsulated and meet a very specific packet format to be classified in a way that bypasses IP firewall filter rules. The packets themselves do not cause a service interruption (e.g. RPD crash), but receipt of a high

CVE-2018-0061 [MEDIUM] CWE-400 CVE-2018-0061: A denial of service vulnerability in the telnetd service on Junos OS allows remote unauthenticated u A denial of service vulnerability in the telnetd service on Junos OS allows remote unauthenticated users to cause high CPU usage which may affect system performance. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D81 on SRX Series; 12.3 versions prior to 12.3R12-S11; 12.3X48 versions prior to 12.3X48-D80 on SRX Seri

CVE-2022-22213 [MEDIUM] CWE-232 CVE-2022-22213: A vulnerability in Handling of Undefined Values in the routing protocol daemon (RPD) process of Juni A vulnerability in Handling of Undefined Values in the routing protocol daemon (RPD) process of Juniper Networks Junos OS and Junos OS Evolved may allow an unauthenticated network-based attacker to crash the RPD process by sending a specific BGP update while the system is under heavy load, leading to a Denial of Service (DoS). Continued receipt and

CVE-2024-21585 [MEDIUM] CWE-755 CVE-2024-21585: An Improper Handling of Exceptional Conditions vulnerability in BGP session processing of Juniper N An Improper Handling of Exceptional Conditions vulnerability in BGP session processing of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker, using specific timing outside the attacker's control, to flap BGP sessions and cause the routing protocol daemon (rpd) process to crash and restart, leading to a Den

CVE-2022-22219 [MEDIUM] CWE-241 CVE-2022-22219: Due to the Improper Handling of an Unexpected Data Type in the processing of EVPN routes on Juniper Due to the Improper Handling of an Unexpected Data Type in the processing of EVPN routes on Juniper Networks Junos OS and Junos OS Evolved, an attacker in direct control of a BGP client connected to a route reflector, or via a machine in the middle (MITM) attack, can send a specific EVPN route contained within a BGP Update, triggering a routing proto

CVE-2022-22220 [MEDIUM] CWE-367 CVE-2022-22220: A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Routing Protocol Daemon (rpd) o A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS, Junos OS Evolved allows a network-based unauthenticated attacker to cause a Denial of Service (DoS). When a BGP flow route with redirect IP extended community is received, and the reachability to the next-hop of the corres

CVE-2022-22225 [MEDIUM] CWE-367 CVE-2022-22225: A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in the Routing Protocol Daemon (rp A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated attacker with an established BGP session to cause a Denial of Service (DoS). In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly,

CVE-2025-52948 [MEDIUM] CWE-755 CVE-2025-52948: An Improper Handling of Exceptional Conditions vulnerability in Berkeley Packet Filter (BPF) process An Improper Handling of Exceptional Conditions vulnerability in Berkeley Packet Filter (BPF) processing of Juniper Networks Junos OS allows an attacker, in rare cases, sending specific, unknown traffic patterns to cause the FPC and system to crash and restart. BPF provides a raw interface to data link layers in a protocol independent fashion. Inter

CVE-2024-21601 [MEDIUM] CWE-362 CVE-2024-21601: A Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulne 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 two different threads try to simultaneously proce

CVE-2022-22244 [MEDIUM] CWE-91 CVE-2022-22244: An XPath Injection vulnerability in the J-Web component of Juniper Networks Junos OS allows an unaut An XPath Injection vulnerability in the J-Web component of Juniper Networks Junos OS allows an unauthenticated attacker sending a crafted POST to reach the XPath channel, which may allow chaining to other unspecified vulnerabilities, leading to a partial loss of confidentiality. This issue affects Juniper Networks Junos OS: all versions prior to 19.1