CVE-2021-31379

CVE-2021-31379 describes an Incorrect Behavior Order vulnerability in Juniper Junos OS MAP-E automatic tunneling on MX Series MPC 7/8/9/10/11 cards when MAP-E IP reassembly is enabled. Exploitation leads to a Denial of Service (DoS) where the PFE is disabled after processing malformed IPv4/IPv6 p...

CVE-2022-22197

The CVE describes an Operation on a Resource after Expiration or Release vulnerability in Juniper Networks Junos OS and Junos OS Evolved’s Routing Protocol Daemon (rpd). An unauthenticated attacker with an established BGP session can cause a Denial of Service when proxy-generate route-target filt...

CVE-2022-22237

Vulnerability summary (CVE-2022-22237): An Improper Authentication flaw in the kernel of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to affect confidentiality/integrity by abusing TCP-AO processing to allow a BGP/LDP peer not configured with authentication to estab...

CVE-2023-22396

CVE-2023-22396 describes an Uncontrolled Resource Consumption vulnerability in the TCP processing on the Routing Engine of Juniper Networks Junos OS. An unauthenticated network-based attacker can send crafted TCP packets destined to a device interface (IPv4/IPv6), causing an MBUF leak and ultimat...

CVE-2023-22404

CVE-2023-22404 describes an out-of-bounds write in Juniper Junos OS iked (SRX/MX with SPC3) that can cause DoS. An authenticated, network-based attacker can trigger iked to crash and restart during IKE negotiation by sending a specially formatted payload, disrupting other concurrent IKE negotiati...

CVE-2024-30388

CVE-2024-30388 (Junos OS, PFE) : An improper isolation vulnerability in the Packet Forwarding Engine on QFX5000 Series and EX Series allows an unauthenticated adjacent attacker to trigger an LACP flap by receiving a specific malformed LACP packet, causing traffic loss (DoS). Affected: Junos OS on...

CVE-2021-0263

Summary: CVE-2021-0263 describes a DoS in Juniper Junos OS PTX Series caused by heavy J-Flow sampling churn in the Multi-Service process (multi-svcs) on the FPC, which can stall the KRT queue and halt updates, impacting traffic forwarding. Affected component is the Multi-Service process running o...

CVE-2021-31361

CVE-2021-31361 affects Juniper Networks Junos OS on QFX Series and PTX Series. The issue stems from an improper check and handling of exceptional conditions, allowing an unauthenticated network attacker to increase FPC CPU utilization by sending certain IP packets encapsulated in VXLAN, causing a...

CVE-2021-31383

CVE-2021-31383 affects Juniper Networks Junos OS and Junos OS Evolved, where in P2MP scenarios the routing protocol daemon (RPD) may crash due to a source-to-destination copy-write operation paired with a stack-based buffer overflow on certain crafted packets. This leads to a DoS that can become ...

CVE-2023-22417

CVE-2023-22417 affects Juniper Networks Junos OS on SRX Series, where the Flow Processing Daemon (flowd) can leak memory in IPsec VPN scenarios when DH/ECDH groups are configured, potentially crashing the flowd process and causing DoS. Affected versions include SRX/JunOS releases prior to the fix...

CVE-2023-36841

CVE-2023-36841 affects Juniper Networks Junos OS on MX Series with PPPoE-configured interfaces (tcp-mss enabled). An unauthenticated network attacker sending malformed TCP traffic can trigger an infinite loop in the Packet Forwarding Engine (PFE), leading to DoS as resources are exhausted and a m...

CVE-2024-39529

CVE-2024-39529 describes a Use of Externally-Controlled Format String vulnerability in the Packet Forwarding Engine (PFE) of Junos OS on SRX Series, allowing an unauthenticated, network-based attacker to cause a DoS. Affected Junos OS versions include: prior to 21.4R3-S6; 22.2 before 22.2R3-S3; 2...

CVE-2026-57026

CVE-2026-57026 affects Junos OS on MX Series with SPC3 and SRX Series . The issue is an Improp er Validation of Syntactic Correctness of Input in the SIP plugin, enabling an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS) . When the SIP ALG is enabled, processing a malf...

CVE-2019-0068

CVE-2019-0068 affects Juniper Networks Junos OS on SRX Series, where the SRX flowd process may crash and restart when handling specific multicast packets. A remote, unauthenticated attacker can trigger a sustained Denial of Service by repeatedly sending the crafted multicast traffic, causing the ...

CVE-2021-0238

CVE-2021-0238 affects Junos OS on MX Series: repeatedly executing a CLI command may exhaust disk space, causing partial availability impact. Vulnerable versions include MX Series 17.3R1 and newer, up to but not including 17.4R3-S5, then 18.1–20.4 with various sub-versions listed; the issue does n...

CVE-2021-31376

CVE-2021-31376 affects Juniper Networks Junos OS on ACX Series (ACX500, ACX1000, ACX1100, ACX2100, ACX2200, ACX4000, ACX5048, ACX5096). The issue is an improper input validation in the FXPC (Packet Forwarding Engine manager) that can be triggered by specific DHCPv6 packets, crashing FXPC and caus...

CVE-2023-22413

CVE-2023-22413 affects Juniper Networks Junos OS on MX Series with MS-MPC or MS-MIC, where an IPsec6 tunnel can trigger the Multiservices PIC Management Daemon (mspmand) to core and restart when processing specific IPv4 packets. This causes an FPC crash and impacts traffic while mspmand restarts,...

CVE-2025-21597

CVE-2025-21597 covers an issue in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved. When BGP rib-sharding and update-threading are configured, a remote, unauthenticated, logically adjacent BGP peer can cause rpd to crash and restart via a specific timing of peer...

CVE-2025-30653

CVE-2025-30653 describes an Expired Pointer Dereference in Juniper Networks Junos OS and Junos OS Evolved RPD (Routing Protocol Daemon). When an MPLS LSP is configured with node-link-protection and transport-class and an LSP flaps, rpd can crash and restart, causing a Denial of Service. Affected ...

CVE-2019-0063

CVE-2019-0063 concerns Juniper Networks Junos OS on MX Series BRAS configured as BNG with DHCPv6 enabled, where a specifically crafted DHCP response on a subscriber interface can crash the jdhcpd daemon. The crash triggers an automatic restart, but repeated crafted messages may cause an extended ...

CVE-2022-22161

CVE-2022-22161 describes an Uncontrolled Resource Consumption vulnerability in the Juniper Networks Junos OS kernel. An unauthenticated network-based attacker can flood the out-of-band management port, causing 100% CPU usage and making the device unresponsive; continued floods yield a sustained D...

CVE-2022-22166

CVE-2022-22166 affects Juniper Networks Junos OS rpd (routing protocol daemon). A DoS can be triggered by receiving a BGP update with a malformed SR-TE policy tunnel attribute when BGP update tracing is enabled, causing an rpd crash that does not propagate. Affected are Junos OS 20.4 versions pri...

CVE-2024-47504

CVE-2024-47504 affects Juniper Networks Junos OS on SRX5000 Series. Vulnerability arises from improper validation of a specific input type in the packet forwarding engine (pfe), allowing an unauthenticated, network-based attacker to trigger a flowd crash and DoS by sending a malformed packet to n...

CVE-2019-0008

CVE-2019-0008 describes a stack-based buffer overflow in the Junos OS Packet Forwarding Engine manager (FXPC) on QFX5000-series, EX4300, and EX4600 devices. A sequence of valid BGP or IPv6 BFD packets may crash the fxpc daemon or potentially enable remote code execution. Affected Junos OS release...

CVE-2019-0071

CVE-2019-0071 affects Junos OS on EX2300/EX2300-C/EX3400 with versions 18.1R3-S4 and 18.3R1-S3. The Veriexec file-integrity subsystem can fail to initialize, effectively disabling integrity checks and allowing a locally authenticated user with shell access to install untrusted executables and esc...

CVE-2021-0253

CVE-2021-0253 : A local command execution vulnerability in Juniper Junos OS on the NFX Series can allow privilege escalation via the Junos Device Management Daemon (JDMD). Affected are NFX Series devices with Junos OS versions starting at 17.2R1 (17.2 up to 17.2R1) and later, with specific exclus...

CVE-2021-0258

CVE-2021-0258 describes a DoS vulnerability in Juniper Networks Junos OS where forwarding of transit TCPv6 packets on the Ethernet management interface can trigger a kernel panic. The issue arose from a TCP Parallelization feature introduced in Junos OS 17.2, active by default with concurrent net...

CVE-2022-22174

Summary of CVE-2022-22174 (Juniper Junos OS on QFX5000/EX4600) : A vulnerability in the processing of inbound IPv6 packets can cause a memory leak where freed memory is not released, leading to a packet DMA memory leak and a sustained Denial of Service (DoS). Impact occurs when specific IPv6 pack...

CVE-2022-22176

CVE-2022-22176 — Junos OS jdhcpd DoS Affected product: Juniper Networks Junos OS. The vulnerability arises from improper validation of syntactic correctness in jdhcpd. An adjacent, unauthenticated attacker can send a malformed DHCP packet to crash jdhcpd, causing a Denial of Service. The impact i...

CVE-2022-22201

CVE-2022-22201 affects Juniper Networks Junos OS on SRX5000/SRX4000/vSRX with PowerMode IPsec. The Packet Forwarding Engine (PFE) crashes when receiving a malformed ESP packet that matches an established IPsec tunnel, due to improper validation of index/position/offset in input. Impact is Denial ...

CVE-2022-22207

CVE-2022-22207 is a Use After Free vulnerability in Juniper Networks Junos OS, affecting the MX Series with affected AFT aftmand processing. The root cause is intensive polling of AF interface statistics, which can crash the kernel and cause a Denial of Service. Impact is a sustained DoS due to r...

CVE-2022-22218

On SRX Series devices running Junos OS, CVE-2022-22218 describes an improper check during CMPv2 auto re-enrollment that allows a network-based, unauthenticated attacker to trigger a Denial of Service by crashing the pkid process. The issue affects Junos OS on SRX Series across multiple releases (...

CVE-2022-22220

The CVE-2022-22220 issue is a TOCTOU race condition in Juniper Junos OS/rpd that can crash the process when a BGP flow route with a redirect IP is received while the next-hop reachability is flapping, enabling a network-based DoS. Affected software includes Junos OS and Junos OS Evolved across li...

CVE-2023-22408

CVE-2023-22408 affects Juniper Networks Junos OS on SRX 5000 Series. The vulnerability is an improper validation of an array index in the SIP ALG, triggered by specific SIP packets with malformed SDP fields. This can allow a network-based, unauthenticated attacker to cause a Denial of Service by ...

CVE-2023-22412

CVE-2023-22412 is an improper locking vulnerability in Juniper Junos OS SIP ALG that can crash the flow processing daemon (flowd) on MX Series and SRX Series when certain SIP messages are processed concurrently with SIP ALG enabled, leading to DoS. Affected firmware ranges are: MX/SRX 20.4 prior ...

CVE-2024-39551

Summary: CVE-2024-39551 is an Uncontrolled Resource Consumption vulnerability in the H.323 ALG of Juniper Networks Junos OS on SRX Series and MX Series with SPC3 and MS-MPC/MIC. An unauthenticated network attacker can send specific packets to trigger traffic loss/DoS. Continued receipt sustains t...

CVE-2024-39556

Summary of CVE-2024-39556 : A stack-based buffer overflow vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker with CLI access to load a crafted certificate via the set security certificates command, potentially crashing the command management da...

CVE-2024-39561

CVE-2024-39561 affects Juniper Junos OS on SRX4600/SRX5000 Series. The vulnerability stems from an improper check in the flow daemon (flowd) that can allow TCP packets with SYN/FIN or SYN/RST flags to bypass the intended block when no-syn-check and Express Path are enabled, causing such packets t...

CVE-2025-30648

Summary: CVE-2025-30648 affects Juniper Networks Junos OS and Junos OS Evolved. An Improper Input Validation in the Juniper DHCP Daemon (jdhcpd) allows an unauthenticated, adjacent attacker to crash the jdhcpd when it receives a specifically malformed DHCP packet, causing a Denial of Service (DoS...

CVE-2025-30658

CVE-2025-30658 affects Junos OS on SRX Series with Anti-Virus enabled. A memory leak in the Anti-Virus jbufs is triggered by certain HTTP responses, enabling an unauthenticated, network-based attacker to cause a DoS by exhausting jbuf memory and halting transit traffic. Affected versions (per Jun...

CVE-2014-9708

CVE-2014-9708 relates to Embedthis Appweb, where versions before 4.6.6 and 5.x before 5.2.1 are vulnerable to a remote denial of service caused by a NULL pointer dereference when handling a Range header with an empty value (e.g., “Range: x=,”). The vulnerability is triggered by processing a craft...

CVE-2020-1617

CVE-2020-1617 affects Junos OS on non-AFI/AFT platforms. An improper memory initialization in the packet forwarding architecture can be triggered when a genuine packet is inspected by sFlow through a specific firewall policer, causing a reboot and, after reboot, a core file and another reboot on ...

CVE-2021-31378

CVE-2021-31378 affects Juniper Networks Junos OS in broadband subscriber management scenarios where RADIUS is used. An attacker can spoof messages from trusted RADIUS servers to a device after a subscriber logs in and requests logout, forcing the subscriber into a persistent “Terminating” state v...

CVE-2021-31385

CVE-2021-31385 describes a path traversal flaw in Juniper Networks Junos OS J-Web. The issue arises from an improper limitation of a pathname to a restricted directory, allowing a low-privileged authenticated attacker to elevate privileges to root. Affected Junos OS versions include multiple rele...

CVE-2022-22170

CVE-2022-22170 describes a vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS where a Missing Release of Resource after Effective Lifetime can allow an unauthenticated attacker to cause a Denial of Service by sending specific VXLAN packets. The issue causes a heap me...

CVE-2022-22171

CVE-2022-22171 affects Juniper Networks Junos OS, specifically the Packet Forwarding Engine (PFE). An unauthenticated network attacker can cause a DoS by sending crafted VXLAN packets that reset the PFE. Vulnerable are Junos OS versions: 19.4 before 19.4R3-S7; 20.1 before 20.1R3-S3; 20.2 before 2...

CVE-2022-22181

CVE-2022-22181 is a reflected XSS in Juniper Junos OS J-Web. Affected: Junos OS versions prior to 18.3R3-S5; 18.4 before 18.4R3-S9; 19.1 before 19.1R3-S6; 19.2 before 19.2R3-S3; 19.3 before 19.3R2-S6, 19.3R3-S3; 19.4 before 19.4R3-S5; 20.1 before 20.1R3-S4; 20.2 before 20.2R3-S2; 20.3 before 20.3...

CVE-2022-22206

The CVE-2022-22206 issue is a buffer overflow in the PFE of Juniper Networks Junos OS on SRX series (Enhanced Web Filtering safe-search). An unauthenticated network attacker can trigger a Denial of Service by sending specific traffic, causing the PFE to crash and sustain DoS if traffic continues....

CVE-2023-22414

The CVE-2023-22414 issue affects Juniper Networks Junos OS PTX Series and QFX10000 Series, caused by a Missing Release of Memory after Effective Lifetime in the Flexible PIC Concentrator (FPC). It enables an adjacent, unauthenticated attacker on the same network to trigger a heap memory leak and ...

CVE-2023-28982

CVE-2023-28982 affects Juniper Networks Junos OS and Junos OS Evolved. In a BGP rib sharding scenario, updating an active route’s attribute can cause a memory leak in the routing protocol daemon (rpd), leading to increased memory usage, a subsequent out-of-memory condition, and a DoS through rpd ...