CVE-2020-1682

CVE-2020-1682 (Junos OS) affects SRX1500, SRX4100, SRX4200, NFX150, NFX250, and vSRX-based platforms. An input validation vulnerability exists in the srxpfe process that allows an attacker to crash the process by issuing specific maintenance commands, causing a Denial of Service. The srxpfe proce...

CVE-2021-0251

CVE-2021-0251 describes a NULL pointer dereference in Juniper Networks Junos OS CPCD daemon (cpcd) on MX Series with MS-PIC, MS-SPC3, MS-MIC or MS-MPC. The flaw allows an attacker to send malformed HTTP packets that crash mspmand and related services, causing a sustained DoS and login denial whil...

CVE-2023-22409

This CVE concerns Juniper Networks Junos OS NAT functionality where an unchecked input for a loop condition in the NAT library can crash SPC3 on SRX/MX devices, causing a DoS when an inconsistent deterministic NAT configuration is used and a specific CLI command is executed. The issue is triggere...

CVE-2023-28984

CVE-2023-28984 describes a Use-After-Free in Juniper Networks Junos OS, specifically in the Layer 2 Address Learning Manager (l2alm) of the QFX Series. The underlying issue is a race condition involving shared resources and improper synchronization, which can cause the Packet Forwarding Engine (P...

CVE-2023-44191

CVE-2023-44191 – Juniper Junos OS DoS on large VLAN deployments (QFX5000/EX4000) Root cause: An Allocation of Resources Without Limits or Throttling vulnerability in Junos OS allows an unauthenticated, network-based attacker to trigger Denial of Service via a specific DHCP packet when many VLANs ...

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-2024-39533

CVE-2024-39533 affects Junos OS on QFX5000 Series and EX4600 Series where an Unimplemented or Unsupported Feature in the UI allows an unauthenticated, network-based attacker to cause a minor integrity impact on downstream networks when certain match conditions (ip-source-address, ip-destination-a...

CVE-2024-39539

CVE-2024-39539 affects Junos OS on MX Series (pre-21.2R3-S6, pre-21.4R3-S6, pre-22.1R3-S5, pre-22.2R3-S3, pre-22.3R3-S2, pre-22.4R3, pre-23.2R2). It is a Missing Release of Memory after Effective Lifetime vulnerability causing memory leaks when subscribers log in repeatedly, ultimately triggering...

CVE-2024-39545

The CVE describes an Improper Check for Unusual or Exceptional Conditions in Juniper Networks Junos OS iked (on SRX Series, MX Series with SPC3, and NFX350), where unauthenticated network-based attackers can trigger an iked crash during IPsec negotiations by sending specific mismatching parameter...

CVE-2014-6385

CVE-2014-6385 affects Juniper Junos OS (versions listed in the CVE) and can allow a remote adjacent attacker to cause a denial of service by processing crafted fragmented OSPFv3 packets with an IPsec AH. The connected Nessus/NVD/OpenVAS entries corroborate a fragmentation-based DoS affecting Juno...

CVE-2017-10604

CVE-2017-10604 affects Juniper SRX Series devices running Junos OS in cluster mode. The issue arises when account lockout is enabled: an unauthenticated user making failed root login attempts can trigger root lockout, which in turn causes cluster sync or failover errors. Affected releases are SRX...

CVE-2017-2302

CVE-2017-2302 affects Junos OS with BGP add-path enabled (send or both send/receive) across multiple releases (e.g., 12.1X46–D55, 12.1X47–D45, 12.3R13–, 12.3X48–D35, 13.3–R10, 14.1–R8, 14.1X53–D40, 14.1X55–D35, 14.2–R6, 15.1–F2/R1, 15.1X49–D20). A network-based attacker can cause the rpd daemon t...

CVE-2017-2303

CVE-2017-2303 affects Juniper Junos OS when RIP is enabled. The vulnerability arises from how RIP advertisements are processed by the routing protocol daemon (rpd), allowing certain crafted RIP updates to crash rpd and cause a denial-of-service condition. Affected Junos versions include 12.1X46 b...

CVE-2017-2346

The CVE-2017-2346 issue affects Juniper Networks Junos OS on MX platforms, where an ALG handling of large fragmented packets can crash the MS-MPC/MS-MIC Service PIC, causing extended DoS. Impact is confined to specific Junos versions on MX hardware (e.g., 14.1X55-D30 to before 14.1X55-D35; 14.2R7...

CVE-2018-0035

CVE-2018-0035 affects Juniper QFX5200 and QFX10002 devices shipped with Junos OS 15.1X53-D21 through -D60 (and upgrades to these releases) that may include an unintended extra ONIE partition. This partition enables the superuser to reboot into ONIE, wiping the Junos partition and its configuratio...

CVE-2018-0057

This CVE-2018-0057 pertains to Junos OS on MX Series and M120/M320 in a Broadband Edge (BBE) environment. When a subscriber authenticates via DHCP Option 50 to request a specific IP, the device assigns that requested IP even if a matching MAC-to-IP binding exists in the access profile and an addr...

CVE-2019-0028

The CVE-2019-0028 entry affects Junos OS where BGP graceful restart (helper mode or mechanism) is enabled. A remote peer with graceful restart enabled can trigger a crafted BGP session restart that crashes the local Routing Protocol Daemon (RPD), crashing and restarting it and enabling a prolonge...

CVE-2019-0033

CVE-2019-0033: A firewall bypass vulnerability in the proxy ARP service of Juniper Networks Junos OS can cause a high CPU condition leading to a Denial of Service (DoS). Affected products: Junos OS releases across multiple lines (e.g., 12.1X46 family with builds D25–D71, 12.1X46-D73 on SRX Series...

CVE-2019-0041

CVE-2019-0041 affects Juniper Networks Junos OS on the EX4300-MP Series. With any lo0 filters applied, transit network traffic could reach the control plane via the loopback interface (lo0) and the device may fail to forward such traffic. Affected software: Junos OS 18.2 prior to 18.2R1-S2 and 18...

CVE-2019-0062

CVE-2019-0062 describes a session-fixation vulnerability in Juniper Junos OS J-Web that can allow an attacker to fix and hijack a web session and potentially gain administrative access. Affected products and versions include Juniper EX Series running Junos OS 12.3 before 12.3R12-S15; SRX Series 1...

CVE-2020-1614

CVE-2020-1614 : A hard-coded credentials vulnerability affects the Juniper Networks NFX250 Series vSRX VNF. It targets the vSRX VNF instance on versions prior to 19.2R1 and occurs when the root password has not been configured, allowing an attacker with access to an administrative service (e.g., ...

CVE-2020-1638

The CVE-2020-1638 issue affects Juniper Junos OS and Junos OS Evolved FPCs in MX Series (MPC10E/MPC11E) and PTX10001/PTX10003 lines, where processing a specific IPv4 packet can trigger an FPC restart and drop all traffic via the FPC, causing a sustained DoS. Affected ranges include: Junos OS on M...

CVE-2020-1646

CVE-2020-1646 affects Juniper Networks Junos OS and Junos OS Evolved. The issue arises when processing a specific BGP UPDATE for an EBGP peer, causing the routing process daemon (RPD) to crash and restart. The crash occurs only for EBGP UPDATE processing toward an EBGP peer; an EBGP-originating u...

CVE-2020-1653

CVE-2020-1653 affects Juniper Networks Junos OS: a stream of TCP packets to the Routing Engine may cause an mbuf leak, potentially crashing the FPC or the whole system (vmcore). The issue is triggerable by IPv4 or IPv6 and is due to TCP packet handling, not a specific config. Affected releases st...

CVE-2021-0236

The CVE-2021-0236 issue affects Juniper Networks Junos OS and Junos OS Evolved, specifically MP-BGP VPNv6 FlowSpec processing. The root cause is an improper check for unusual or exceptional conditions in the RPD when handling a matching BGP FlowSpec packet, leading to a crash and restart and a su...

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-2023-28963

Summary: CVE-2023-28963 is an Improper Authentication vulnerability in cert-mgmt.php of Juniper Networks Junos OS J-Web component. An unauthenticated, network-based attacker can read arbitrary files from temporary folders on affected devices. Affected software: Juniper Networks Junos OS running J...

CVE-2023-28980

CVE-2023-28980 affects Juniper Networks Junos OS and Junos OS Evolved. A Use-After-Free in the routing protocol daemon (rpd) can crash the rpd in a BGP rib sharding scenario, allowing a locally authenticated, low-privileged attacker to cause DoS, especially with large routing tables (>1M). Con...

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-2023-44178

CVE-2023-44178 describes a stack-based buffer overflow in the CLI command processing of Juniper Networks Junos OS. A low-privilege attacker can trigger the overflow by executing specific CLI commands, resulting in a Denial of Service (DoS); repeated actions cause a sustained DoS. Affected Junos O...

CVE-2024-21585

CVE-2024-21585 affects Juniper Networks Junos OS and Junos OS Evolved. An Improper Handling of Exceptional Conditions in BGP session processing on NSR-enabled devices can allow an unauthenticated network-based attacker to cause BGP session flaps, triggering replication of GR/LLGR state and leadin...

CVE-2024-39555

Summary of vulnerability (CVE-2024-39555): Juniper Networks Junos OS and Junos OS Evolved RPD mishandles certain malformed BGP Update messages when segment routing is enabled, causing session resets and potential DoS. A remote attacker must have at least one established BGP session; affected are ...

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-2014-2713

Affected product: Juniper Junos OS on MX Series and T4000 routers. Vulnerable component: Packet Forwarding Engine (PFE) modules, specifically Trio-based and Cassis-based PFEs. Root cause/issue: remote attacker can send a crafted IP packet to trigger a PFE restart, causing a denial of service (pot...

CVE-2015-7752

CVE-2015-7752 affects Juniper Networks Junos OS SSH server on multiple releases (listed in the description). A remote attacker can cause a denial of service via unspecified SSH traffic, resulting in CPU consumption. Public exploit details are not provided in the supplied documents; remediation/fi...

CVE-2018-0044

An insecure SSHD configuration (PermitEmptyPasswords = yes) in Juniper Device Manager and the host OS on Juniper NFX Series devices allows remote unauthenticated access if any passwords are empty. Affected: Junos OS 18.1 versions prior to 18.1R4 on NFX Series. Root cause: SSHD permitting empty pa...

CVE-2018-0049

CVE-2018-0049 (Juniper Junos OS) involves a NULL pointer dereference in the Junos OS kernel that can crash the device, causing a sustained Denial of Service when a crafted MPLS packet is received on an interface configured for MPLS. The vulnerability affects multiple Junos OS releases across plat...

CVE-2018-0061

CVE-2018-0061 is a Denial of Service affecting Junos OS telnetd. The vulnerability allows remote unauthenticated users to cause high CPU usage and potential degradation of system performance. Affected Junos OS versions and build revisions are explicitly listed (e.g., 12.1X46 up to 12.1X46-D81 for...

CVE-2019-0040

CVE-2019-0040 affects Juniper Junos OS on multiple 15.x–17.x releases based on FreeBSD 10 or higher. The issue is an information disclosure in rpcbind: external packets to port 111 may elicit responses from the management interface (e.g., fxp0), exposing internal addressing and the existence of t...

CVE-2019-0043

CVE-2019-0043 describes a denial-of-service vulnerability in Junos OS where receipt of a specially crafted SNMP packet can cause the RPD process to crash and restart, leading to prolonged DoS. Affected Juniper releases span multiple lines of Junos OS across SRX, EX/QFX, NFX, ACX, and other series...

CVE-2020-1600

CVE-2020-1600 in Juniper Junos OS RPD: A specific SNMP command in a P2MP LSP scenario can trigger an infinite loop, causing high CPU and DoS across SNMPv4/v6. Affected Junos versions include 12.3X48 prior to 12.3X48-D90; 15.1 prior to 15.1R7-S6; 15.1X49 prior to 15.1X49-D200; 15.1X53 prior to 15....

CVE-2020-1634

CVE-2020-1634 affects Junos OS on High-End SRX Series: certain configurations allow a SPC receiving genuine multicast traffic to core, causing all FPCs in the chassis to reset and resulting in a Denial of Service. Affected versions include Junos OS 12.3X48-D80 and later, up to but not including 1...

CVE-2020-1664

CVE-2020-1664 documents a stack buffer overflow in Juniper Networks Junos OS device control daemon (DCD). The issue allows a low-privilege local user to cause a DoS or execute arbitrary code with root privileges. Affected products include Junos OS versions listed in the CVE (e.g., 17.3 through 20...

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-2021-0237

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-2021-0241

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-2021-0249

CVE-2021-0249 is a buffer overflow in Juniper Networks Junos OS Packet Forwarding Engine (PFE) on SRX Series devices. Affected releases include SRX Series: 15.1X49 prior to 15.1X49-D190; 17.4 prior to 17.4R2-S9; 17.4R3 and later prior to 18.1R3-S9; 18.2 prior to 18.2R3-S1; 18.3 prior to 18.3R2-S3...

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-2021-0269

The CVE-2021-0269 entry concerns Juniper Networks Junos OS J-Web. The root cause is improper handling of client-side parameters, allowing an authenticated attacker to supersede or modify HTTP/S session parameters, bypass input validation rules, and alter J-Web behavior. Potential consequences inc...

CVE-2024-39526

CVE-2024-39526 affects Junos OS on MX Series (MPC10/MPC11/LC9600), EX9200 (EX9200-15C), MX304, and Junos OS Evolved on PTX Series. The issue is an improper handling of exceptional conditions in DHCP packet processing; when DHCP snooping is enabled, malformed DHCP packets can cause ingress process...