CVE-2020-1673

CVE-2020-1673 is a J-Web/XSS vulnerability in Juniper Networks Junos OS where insufficient XSS protection on HTTP/HTTPS web services can allow an unauthenticated attacker to hijack a user session and impersonate the targeted user’s admin actions. Affected products are Junos OS devices with HTTP/H...

CVE-2021-0229

CVE-2021-0229 affects Juniper Networks Junos OS MQTT server used by a JET-related application that subscribes to events via a mosquitto broker. The root cause is uncontrolled resource consumption from continued receipt/processing of crafted MQTT packets, leading to a crash/restart and sustained D...

CVE-2021-0241

CVE-2021-0241 affects Junos OS DHCPv6 local-server/Relay Agent, where the JDHCPD daemon may crash with a core dump upon receiving a specific DHCPv6 packet, causing the daemon to restart and sustain a DoS condition. Affected Junos OS releases include 17.3 (before 17.3R3‑S11), 17.4 (before 17.4R3‑S...

CVE-2021-0267

Summary: CVE-2021-0267 is an input validation flaw in JDHCPD’s DHCP Relay Agent (active-lease query) in Juniper Junos OS. An attacker can trigger a crash of the jdhcpd DHCP service by sending a crafted DHCP packet, causing a Denial of Service. Affected Junos OS versions include 19.4 before 19.4R3...

CVE-2021-0271

CVE-2021-0271 describes a Double Free vulnerability in the sfid process of Juniper Networks Junos OS. An adjacently-connected attacker can trigger a sustained Denial of Service by sending crafted ARP packets to specific EX-series devices (EX2200-C, EX3200, EX3300, EX4200, EX4500, EX4550, EX6210, ...

CVE-2023-28965

CVE-2023-28965 targets Juniper Networks Junos OS on QFX10002, caused by an improper check/handling in the storm control feature. A high rate of traffic can trigger a sustained DoS as storm control drops packets when thresholds are exceeded. Affected versions include: 19.3R3-S7 and earlier; 19.4R3...

CVE-2023-28975

CVE-2023-28975 affects Juniper Networks Junos OS: an Un Unexpected Status Code or Return Value vulnerability in the kernel can cause a DoS when certain USB devices are plugged into the routing-engine (RE). An unauthenticated attacker with physical access can crash the kernel, forcing reboots and ...

CVE-2023-36848

The CVE refers to Juniper Junos OS MX Series PPMD vulnerability where an Improper Handling of Undefined Values on receipt of a malformed CFM packet can crash the FPC and cause DoS. Affected software includes Junos OS on MX Series with CFM enabled, with the issue present in multiple released branc...

CVE-2024-21606

CVE-2024-21606 affects Juniper Networks Junos OS on SRX Series with a Double Free vulnerability in the flowd daemon . In a remote-access VPN, if a tcp-encap-profile is configured and a sequence of specific packets is received, a flowd crash and restart can occur, caused by a faulty free operation...

CVE-2014-0614

CVE-2014-0614 affects Juniper Networks Junos OS. When PIM is enabled, sending a large number of crafted IGMP packets can cause a kernel panic and denial of service. Affected versions are Junos 13.2 before 13.2R3 and 13.3 before 13.3R1. The vulnerability is mitigated by applying the vendor fix in ...

CVE-2014-0616

CVE-2014-0616 affects multiple Juniper Junos OS versions (10.4 before 10.4R16, 11.4 before 11.4R10, 12.1R before 12.1R8-S2, 12.1X44 before 12.1X44-D30, 12.1X45 before 12.1X45-D20, 12.1X46 before 12.1X46-D10, 12.2 before 12.2R7, 12.3 before 12.3R4-S2, 13.1 before 13.1R3-S1, 13.2 before 13.2R2, and...

CVE-2014-3821

The CVE-2014-3821 entry describes a Cross-site scripting (XSS) vulnerability in Juniper Junos SRX Web Authentication (webauth) across multiple releases (11.4 before 11.4R11; 12.1X44 before 12.1X44-D34; 12.1X45 before 12.1X45-D25; 12.1X46 before 12.1X46-D20; 12.1X47 before 12.1X47-D10). The issue ...

CVE-2014-6382

CVE-2014-6382 affects Juniper MX Series routers running Junos 13.3R3–13.3Rx pre-13.3R6, 14.1 pre-14.1R4, 14.1X50 pre-14.1X50-D70, and 14.2 pre-14.2R2 when configured as a broadband edge (BBE) router. The issue is a DoS in the PPP daemon (jpppd) triggered by a crafted PAP Authenticate-Request afte...

CVE-2015-3007

CVE-2015-3007 affects Juniper SRX Series services gateways running Junos OS. A faulty implementation of the "set system ports console insecure" feature lets a physically proximate attacker with console access escalate to full administrative privileges. Affected versions: Junos OS 12.1X46 before 1...

CVE-2015-5362

The CVE-2015-5362 issue affects Juniper Junos OS where the BFD daemon (bfdd) can be reached remotely to trigger a crash/restart or arbitrary code execution via a crafted BFD packet. Affected versions span multiple releases across 12.1X44–15.1X49, including 12.1X44 before 12.1X44-D50, 12.1X46 befo...

CVE-2016-1260

CVE-2016-1260 affects Juniper JUNOS OS on EX4300 series switches. A flaw in the Spanning Tree Protocol implementation allows remote attackers to trigger a denial of service (network loop and bandwidth consumption) via unspecified STP-related traffic. Affected software includes JUNOS OS versions p...

CVE-2017-2314

The CVE-2017-2314 issue affects Juniper Junos OS, specifically the routing protocol daemon (rpd). It is triggered by receiving a malformed BGP OPEN message, which can cause rpd to crash and restart, resulting in a denial of service. Affected Junos releases include 12.3 (before 12.3R12-S4, 12.3R13...

CVE-2017-2344

CVE-2017-2344 affects Juniper Networks Junos OS, where a buffer overflow in the internal Junos OS sockets library can be exploited locally by programs running on affected devices. The vulnerability may lead to kernel panics (denial of service) or enable privilege escalation to arbitrary code exec...

CVE-2018-0055

Summary: CVE-2018-0055 affects Junos OS devices that are configured to act as DHCP servers in Broadband Edge (BBE) environments. The vulnerability is in the jdhcpd daemon when processing specially crafted DHCPv6 messages; a remote attacker can repeatedly send such packets to crash jdhcpd, causing...

CVE-2020-1680

CVE-2020-1680 affects Juniper Networks Junos OS on MX Series with MS-MIC/MS-MPC NAT64 translation. A malformed IPv6 packet can crash the MS-PIC component on the multiservice card, caused by translating the IPv6 packet to IPv4, allowing an unauthenticated attacker to trigger repeated MS-PIC crashe...

CVE-2021-0240

CVE-2021-0240 affects Juniper Networks Junos OS when configured as DHCPv6 local server or DHCPv6 Relay Agent. A malformed DHCPv6 packet can crash the JDHCPD daemon, causing it to restart; continued receipt of such packets can sustain a DoS on affected devices. Affected Junos OS versions include 1...

CVE-2021-0262

CVE-2021-0262 describes a Use After Free vulnerability in the PFE packet processing of Juniper Networks Junos OS on the QFX10002-60C switching platform. The issue affects QFX10002-60C devices with Junos OS versions: 19.1R3-S1 and later, and other listed 19.1/19.2/20.2 releases; it does not affect...

CVE-2023-36840

Summary (CVE-2023-36840) A reachable-assertion vulnerability in Juniper’s Routing Protocol Daemon (RPD) on Junos OS and Junos OS Evolved can be exploited by a locally authenticated, low-privilege user when running a specific L2VPN command to cause a DoS (RPD crash/restart). Affected products/vers...

CVE-2024-21607

Concrete details available: Juniper Junos OS on MX Series and EX9200 Series is affected by CVE-2024-21607 due to a kernel-filter payload-protocol handling issue in IPv6 firewall filters. The root cause is that the payload-protocol match is not supported in the kernel filter, causing terms to acce...

CVE-2015-3004

CVE-2015-3004 affects Juniper Junos J-Web across listed 11.4, 12.x, 13.x, 14.x versions. Root cause: J-Web fails to emit an X-Frame-Options header, enabling remote clickjacking. Impact is generally exposure to UI spoofing/administrative actions via a framed page. Affected products/versions includ...

CVE-2016-1261

CVE-2016-1261 affects Junos J-Web; the issue arises from input not being validated, which may enable cross-site request forgery (CSRF) and could cause a denial of service (DoS). The provided documents identify CSRF/DoS as outcomes but do not specify affected versions, root cause details beyond in...

CVE-2016-1263

CVE-2016-1263 affects Juniper Junos OS prior to certain 64‑bit builds. The issue allows remote attackers to cause a kernel crash by sending a crafted UDP packet to the device’s interface IP, potentially triggering DoS on 64‑bit systems. Affected versions/branches include 12.1X46-D45, 12.1X46-D50,...

CVE-2016-1271

CVE-2016-1271 affects Juniper Networks Junos OS versions listed (e.g., 12.1X46-D45 and earlier for 12.x, 13.x, 14.x, 15.x ranges) where a local attacker can gain privileges by crafting combinations of CLI commands and arguments. The issue is described as a local privilege escalation in the Junos ...

CVE-2016-1274

CVE-2016-1274 affects Juniper Networks Junos OS running on QFX Series switches (14.1X53 prior to 14.1X53-D30). A remote attacker can cause a denial of service by sending a high rate of VXLAN packets that trigger a PFE panic. The public records describe the issue in Junos OS/QFX VXLAN handling but...

CVE-2017-2301

CVE-2017-2301 affects Juniper Networks Junos OS (various releases listed) where the DHCPv6-capable jdhcpd daemon crashes and restarts upon receiving crafted DHCPv6 packets from a subscriber. Repeated crashes may cause an extended denial of service for subscribers attempting to obtain IPv6 address...

CVE-2017-2347

The CVE affects Juniper Networks Junos OS rpd daemon, via improper handling of a malformed MPLS ping packet when MPLS OAM is configured. Affected releases include Junos OS 12.3X48 (before -D50/-D55), 13.3 before 13.3R10, 14.1 before 14.1R4-S13/14.1R8-S3/14.1R9, 14.1X53 before 14.1X53-D42/D50, 14....

CVE-2018-0032

CVE-2018-0032 affects Juniper Networks Junos OS where receiving a crafted BGP UPDATE can crash and restart the routing process daemon (RPD). Repeated identical crafted updates may cause an extended denial-of-service condition. Affected are specific Junos OS releases: 16.1X65 versions before 16.1X...

CVE-2019-0067

The vulnerability CVE-2019-0067 affects Juniper Junos OS on MC-LAG-enabled devices. A crafted link-local IPv6 packet destined to the RE can cause a kernel crash (vmcore), leading to a prolonged DoS. Affected: Junos OS 16.1 before 16.1R6-S2 and 16.1R7; 16.2 before 16.2R2-S10; 17.1 before 17.1R3. N...

CVE-2020-1640

CVE-2020-1640 describes a DoS in Juniper Networks Junos OS caused by an improper use of a validation framework when processing incoming genuine BGP packets in the Routing Protocol Daemon (RPD). The vulnerability allows an attacker to repeatedly crash the RPD by sending specific formatted BGP pack...

CVE-2020-1671

CVE-2020-1671 affects Junos OS when JDHCPD handles malformed DHCPv6 packets on DHCPv6 local server or Relay Agent configurations, causing a crash and JDHCPD restart. Affected are Junos OS versions: 17.4 prior to 17.4R2-S12 and 17.4R3-S3; 18.1 prior to 18.1R3-S11; 18.2 prior to 18.2R3-S6; 18.2X75 ...

CVE-2020-1679

CVE-2020-1679 affects Juniper Junos OS on PTX/QFX Series when packet sampling is configured with tunnel-observation mpls-over-udp. A malformed packet can stall the Kernel Routing Table (KRT) queue, causing forwarding issues. Affected versions (examples): 17.2X75 prior to 17.2X75-D105; 18.1R3-S11;...

CVE-2021-0237

Technical details of CVE-2021-0237 are not publicly provided in the connected documents; no concrete root-cause or fix details are included. Monitor for updates from vendors and advisories.

CVE-2021-0245

CVE-2021-0245 affects Juniper Networks Junos OS on Junos Fusion satellite devices, with a root cause of hard-coded credentials that allow a locally authenticated attacker to elevate privileges and take control. Affected ranges include multiple Junos OS revisions for Junos Fusion Satellite Devices...

CVE-2021-0247

CVE-2021-0247 describes a race condition in Juniper Networks Junos OS dfwd (firewall process) that can allow bypass of firewall rules on the input loopback filter across multiple Junos releases (QFX/PTX series; multiple versions across 14.x–19.x). The underlying issue is concurrent execution with...

CVE-2022-22233

CVE-2022-22233 concerns Juniper Networks Junos OS and Junos OS Evolved. The issue is an unchecked return value leading to a NULL pointer dereference in the Routing Protocol Daemon (rpd) when operating in an SR→LDP interworking scenario with SRMS, allowing a locally authenticated, low-privilege at...

CVE-2022-22240

CVE-2022-22240 affects Juniper Networks Junos OS and Junos OS Evolved. The vulnerability is an rpd memory issue caused by Allocation of Resources Without Limits or Throttling and a Missing Release of Memory after Effective Lifetime, leading to a potential Denial of Service when running a specific...

CVE-2023-36849

CVE-2023-36849 affects Juniper Networks Junos OS and Junos OS Evolved; the issue is an Improper Check or Handling of Exceptional Conditions in the Layer-2 control protocols daemon (l2cpd). A malformed LLDP packet can cause l2cpd to crash and restart, reinitializing STP (RSTP/MSTP/VSTP), MVRP and ...

CVE-2025-52980

CVE-2025-52980 is a Use of Incorrect Byte Ordering vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS on SRX300 Series. An unauthenticated, network-based attacker can crash rpd by sending a BGP UPDATE on an established BGP session containing a specific valid optional ...

CVE-2026-33773

CVE-2026-33773 affects Junos OS on EX Series and QFX Series devices (specifically EX4100, EX4400, EX4650 and QFX5120). The issue is an Incorrect Initialization of Resource in the packet forwarding engine (pfe) where configuring the same family inet or inet6 filter as an egress filter on both an I...

CVE-2009-3487

CVE-2009-3487 affects Juniper JUNOS 8.5R1.14 through the J-Web interface, with multiple XSS vectors that allow remote authenticated users to inject arbitrary script/HTML. Affected components/functions include: JEXEC_OUTID in JEXEC_MODE_RELAY_OUTPUT for the jexec program; parameters in scripter.ph...

CVE-2014-3819

CVE-2014-3819 affects Juniper Junos OS RPD when Auto-RP is enabled. A remote attacker can crash the RPD routing process by sending a malformed PIM packet, causing a denial of service. Affected Junos versions include 11.4 before 11.4R12, 12.1 before 12.1R10, 12.1X44 before 12.1X44-D35, 12.1X45 bef...

CVE-2016-4924

CVE-2016-4924 affects Juniper Networks Junos OS on vMX. The issue is an incorrect permissions vulnerability that allows local unprivileged users to read the vMX/vPFE images on the host and expose sensitive information, such as private cryptographic keys. Affected releases are Junos OS 15.1 prior ...

CVE-2018-0037

CVE-2018-0037 affects Juniper Networks Junos OS where the Routing Protocol Daemon (RPD) may crash and restart or lead to remote code execution when processing crafted BGP NOTIFICATION messages. Affected releases include Junos OS 15.1F5 (from 15.1F5-S7 and later), 15.1F6 (from 15.1F6-S3 to before ...

CVE-2018-0056

The CVE describes an issue in Juniper Networks Junos OS on MX Series devices with l2-backhaul VPN configured. The Layer 2 Address Learning Daemon (L2ALD) may crash when deleting a duplicate MAC address learned on two different interfaces if the entry is not found in the internal MAC address table...

CVE-2018-0062

CVE-2018-0062 describes a Denial of Service in Juniper Junos OS J-Web service. The vulnerability allows a remote unauthenticated actor to cause DoS, potentially preventing other users from authenticating or using J-Web operations. Affected Junos OS releases span SRX, EX, QFX, and NFX families acr...