CVE-2024-30397

CVE-2024-30397 affects Juniper Networks Junos OS, specifically the pkid daemon responsible for certificate verification. An improper check for unusual or exceptional conditions allows an unauthenticated network attacker to trigger a DoS by causing pkid to consume CPU and become unresponsive, brea...

CVE-2024-39552

CVE-2024-39552 affects Juniper Networks Junos OS and Junos OS Evolved: the RPD (routing protocol daemon) crashes when a malformed BGP UPDATE is received over an established BGP session, causing DoS. A network-based, unauthenticated attacker can trigger the crash via IPv4/IPv6 eBGP/iBGP traffic; i...

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-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-2021-0258

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-2024-30384

CVE-2024-30384 concerns Juniper Networks Junos OS on the EX4300 Series. The issue is an improper check for unusual or exceptional conditions in the Packet Forwarding Engine (PFE) that lets a locally authenticated user with low privileges trigger a PFE crash by issuing a specific CLI command. The ...

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-2024-39515

CVE-2024-39515 affects Juniper Junos OS and Junos OS Evolved when BGP traceoptions are enabled. An unauthenticated network-based attacker can send a specifically malformed BGP packet to cause the routing protocol daemon (rpd) to crash and restart, producing a Denial of Service. Sustained processi...

CVE-2025-30645

The CVE describes a NULL-pointer dereference in the flowd daemon of Juniper Networks Junos OS on SRX Series. When specific, valid DS-Lite control traffic is sent, flowd can crash (segmentation fault), causing a DoS/network outage until flowd restarts. Affected are Junos OS on SRX Series: all vers...

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-2019-0075

The CVE-2019-0075 issue affects Juniper Networks Junos OS on SRX Series, specifically the srxpfe process when handling Protocol Independent Multicast (PIM) messages. A vulnerable state can cause the srxpfe process to crash and trigger an FPC reboot, potentially leading to an extended denial-of-se...

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-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-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-2022-22170

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-2022-22174

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-2022-22201

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-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-2019-0070

CVE-2019-0070 affects Juniper Networks Junos OS on NFX Series prior to 18.2R1. The issue is an improper input validation weakness that allows a local attacker to elevate privileges and take control of the entire system. Affected component: Junos OS on NFX Series; root cause: input validation fail...

CVE-2021-0287

CVE-2021-0287 affects Juniper Networks Junos OS and Junos OS Evolved in SR-ISIS/MPLS with ISIS Flexible Algorithm and sensor-based statistics. A flap of an ISIS link can crash and restart the RPD, causing Denial of Service (DoS). Affected versions include Junos OS: 19.4 prior to 19.4R1-S4 and 19....

CVE-2022-22169

CVE-2022-22169 affects Juniper Networks Junos OS and Junos OS Evolved. An improper initialization in the routing protocol daemon (rpd) can cause OSPFv3 to enter graceful-restart GR helper mode when a attacker sends crafted packets in specific order/timing, potentially causing a DoS via a stalled ...

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-2022-22220

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-2023-22412

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-2024-30382

Juniper Networks Junos OS and Junos OS Evolved are affected by CVE-2024-30382 via an Improper Handling of Exceptional Conditions in the routing protocol daemon (rpd). A network-based, unauthenticated attacker can trigger a specific routing update when CB F (CoS-based forwarding) is configured wit...

CVE-2024-39511

The CVE-2024-39511 entry concerns Juniper Networks Junos OS: an improper input validation vulnerability in the 802.1X Authentication (dot1x) Daemon. When an operator runs a specific dot1x command, the dot1x daemon may crash, causing a Denial of Service that clears all 802.1x client authentication...

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-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-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-2019-0065

Junos OS on MX Series is affected by CVE-2019-0065 due to a malformed SIP packet that, when the SIP ALG is enabled, can crash the MS-PIC component on MS-MIC or MS-MPC and cause a sustained DoS. Affected releases include MX Series across multiple track versions prior to fixed builds: 16.1R7-S5, 16...

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-2021-31377

CVE-2021-31377 affects Juniper Networks Junos OS. A local authenticated attacker can exploit an Incorrect Permission Assignment for a Critical Resource in a file in the Junos filesystem to cause the Routing Process Daemon (RPD) to crash and restart, resulting in a DoS . Affected versions include ...

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-2022-22157

Summary: CVE-2022-22157 describes a traffic-classification vulnerability in Juniper Networks Junos OS on SRX Series gateways where the Deep Packet Inspection (JDPI) rules can be bypassed when the device is configured with no-syn-check. The issue stems from JDPI misclassifying out-of-state asymmet...

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-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-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-2025-30653

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-2018-0034

The CVE-2018-0034 issue affects Juniper Networks Junos OS JDHCPD. A crafted IPv6 DHCP packet can cause the JDHCPD daemon to core-dump on systems processing IPv6 DHCP packets (not IPv4). Affected releases include multiple Junos OS lines, with many versions prior to specific build-suffixed revision...

CVE-2021-0288

CVE-2021-0288 affects Juniper Junos OS on MX Series and EX9200 Series with Trio-based MPCs. The vulnerability stems from how specific MPLS packets are processed, potentially causing the FPC to crash and triggering a DoS if packets continue to arrive. Affected versions are listed in the core CVE d...

CVE-2021-31373

Juniper Networks Junos OS SRX Series J-Web exposes a persistent XSS when authenticated users access the J-Web interface. An attacker could inject scripts to steal data or hijack sessions. Affected: SRX Series across multiple releases prior to specific fixed deployments (e.g., 18.2R3-S8; 18.3R3-S5...

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-2022-22155

CVE-2022-22155 affects Juniper Networks Junos OS on the ACX5448 router. An Uncontrolled Resource Consumption vulnerability allows memory leakage in the FPC when IPv6 neighbor state changes flap in a timed sequence, leading to a DoS and requiring a manual PFE restart. Affected versions include ACX...

CVE-2022-22160

CVE-2022-22160 affects Juniper Junos OS MX Series where the subscriber management daemon (smgd) is vulnerable to an unchecked error condition. An unauthenticated adjacent attacker can trigger a crash of smgd (in environments with dual-stack session groups and a pp0 interface), causing the daemon ...

CVE-2022-22177

CVE-2022-22177 affects Juniper Networks Junos OS and Junos OS Evolved. The issue is an illegal memory vulnerability in the snmpd daemon that can be triggered by crafted SNMP input, causing the snmpd process to segfault or halt and resulting in a sustained Denial of Service until manual restart. A...

CVE-2022-22217

CVE-2022-22217 affects Juniper Junos OS on QFX10K Series switches (QFX10002/10008/10016). The root cause is an improper check that allows malformed MLD packets looping on a multi-homed ESI with VXLAN to be forwarded back to the peer, violating split horizon and causing a Denial of Service. Affect...

CVE-2023-22405

CVE-2023-22405 describes a DoS in Juniper Networks Junos OS caused by an improper preservation of consistency between independent representations of shared state in the Packet Forwarding Engine (PFE). When devices run with service-provider/SP style switching and MAC limiting on an Aggregated Ethe...

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-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...