CVE-2023-28968

CVE-2023-28968 : An Improperly Controlled Sequential Memory Allocation in the JDPI-Decoder Application Signature (part of Junos OS AppID) can cause the JDPI-Decoder to stop identifying dynamic application traffic, allowing unauthenticated network-based traffic to pass through. Affected components...

CVE-2024-47507

CVE-2024-47507 affects Junos OS and Junos OS Evolved. The issue is in the routing protocol daemon (rpd): when a BGP update carries an aggregator attribute with an ASN value of zero, rpd accepts and propagates it, causing potential integrity impacts on downstream peers. Affected versions include: ...

CVE-2026-33779

The CVE concerns Junos OS on SRX Series failing to properly verify the server certificate when provisioning to Security Director cloud, enabling a PITM to intercept traffic and access credentials and sensitive data. Affected Junos OS versions include all before 22.4R3-S9, 23.2 before 23.2R2-S6, 2...

CVE-2026-33800

CVE-2026-33800 affects Junos OS on MX Series (MX FPCs up to MPC9). The issue is caused by an unchecked input for a loop condition in PFEMAN, where high-rate Micro-BFD session flaps queue events and a VC with locality-bias amplifies processing time, causing PFEMAN to miss processing and the PFEMAN...

CVE-2009-3486

CVE-2009-3486 concerns multiple XSS vulnerabilities in the J-Web interface of Juniper JUNOS 8.5R1.14. Remote authenticated users can inject arbitrary script/HTML via host-related parameters across diagnose, configuration, and local-cert actions (examples: pinghost, traceroute, probe-limit, firewa...

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...

CVE-2020-1656

CVE-2020-1656 covers an Improper Input Validation flaw in the DHCPv6 Relay-Agent portion of Juniper Junos OS (jdhcpd). The issue is triggered when a DHCPv6 client sends a specific message, enabling a potential attacker to cause Denial of Service and, in some cases, Remote Code Execution on the ta...

CVE-2020-1667

The CVE-2020-1667 entry describes a race-condition exploit in Juniper Networks Junos OS MX Series affecting DNS filtering. Affected devices include MX Series with MS-PIC/MS-MIC/MS-MPC cards; when DNS filtering is enabled, a race in the Multiservices PIC Management Daemon (mspmand) can cause the S...

CVE-2020-1672

CVE-2020-1672 describes a DoS condition in Juniper Networks Junos OS where a crafted DHCPv6 relay packet crashes the jdhcpd daemon. The issue is triggered only by DHCPv6 traffic (not DHCPv4) when DHCPv6 relay is enabled, and the jdhcpd process restarts automatically but can be repeatedly crashed ...

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-2023-28981

CVE-2023-28981 describes an improper input validation in the kernel of Juniper Networks Junos OS and Junos OS Evolved. An unauthenticated, adjacent attacker can trigger memory corruption by sending malformed IPv6 router-advertisement packets after router advertisements are enabled on an interface...

CVE-2024-21587

CVE-2024-21587 affects Juniper Networks Junos OS on MX Series. The vulnerability is an Improper Handling of Exceptional Conditions in the broadband edge subscriber management daemon (bbe-smgd), which can leak memory when DHCP subscriber sessions are repeatedly flapped, potentially causing Denial ...

CVE-2024-39541

CVE-2024-39541 affects Juniper Networks Junos OS and Junos OS Evolved. The vulnerability arises in the Routing Protocol Daemon (rpd) when conflicting information about a node is added to the Traffic Engineering (TE) database and subsequently processed, causing rpd to crash and restart (unauthenti...

CVE-2025-52960

CVE-2025-52960 affects Juniper Networks Junos OS on SRX Series and MX Series, caused by a Buffer Copy without Checking Size in the SIP ALG (flowd/mspmand). The underlying issue occurs when memory utilization is high and specific SIP packets arrive, crashing the flowd process and causing a DoS; th...

CVE-2014-3818

CVE-2014-3818 affects Juniper Junos OS versions listed in the description; the flaw is in handling BGP UPDATE messages with 4-byte AS numbers, leading to memory corruption and a DoS in the rpd process (causing a crash/restart). Connected sources confirm a BGP UPDATE DoS condition and provide the ...

CVE-2016-1267

CVE-2016-1267 affects Juniper Networks Junos OS by a race condition in the RPC functionality. Affected Junos OS versions include 12.1X44-D55 and earlier, 12.3R11 and earlier, 13.2R8 and earlier, 14.1R6 and earlier, 14.2R3-S4, 15.1F2/15.1R2, and 16.1R1. The underlying issue allows local users to r...

CVE-2018-0052

CVE-2018-0052 concerns Junos OS where, if RSH is enabled and PAM authentication is disabled, a remote unauthenticated attacker can obtain root access. RSH is disabled by default, and there is no documented CLI to enable it; an undocumented privileged command can enable RSH and disable PAM, exposi...

CVE-2018-0060

The CVE-2018-0060 issue is an improper input validation vulnerability in Juniper Networks Junos OS device control daemon (dcd). The flaw can cause a Denial of Service to the dcd process, interfaces, and connected clients when a Junos device requests an IP address via DHCP. Affected releases inclu...

CVE-2019-0031

The CVE-2019-0031 issue affects Juniper Networks Junos OS, specifically the jdhcpd daemon used to respond to IPv6 requests. A crafted sequence of IPv6 DHCP packets can trigger memory resource consumption in jdhcpd, leading to a Denial of Service where subsequent IPv4/IPv6 requests may be affected...

CVE-2020-1685

CVE-2020-1685 affects Juniper Networks Junos OS on EX4600 and QFX5K (VXLAN) where stateless firewall filters with a single user-vlan-id match can cause the discard action to only drop traffic with that VLAN ID, allowing other VLANs through. Affected QFX5K/Junos versions are listed in the CVE entr...

CVE-2023-36832

Summary: CVE-2023-36832 is an Improper Handling of Exceptional Conditions in Junos OS on MX Series, where unauthenticated attackers can send packets to the AMS interface to crash the PFE and cause DoS. Affected products/versions (MX Series Junos OS): all prior to 19.1R3-S10; 19.2 prior to 19.2R3-...

CVE-2024-47501

CVE-2024-47501 involves a NULL pointer dereference in the packet forwarding engine (pfe) of Juniper Networks Junos OS. A locally authenticated attacker with low privileges can trigger a DoS by executing specific show commands in VPLS or Junos Fusion, causing all FPCs hosting VPLS sessions or sate...

CVE-2025-6549

CVE-2025-6549 (Junos OS SRX, J-Web exposure) is an Incorrect Authorization vulnerability in the web server that can allow an unauthenticated, network-based attacker to reach the Juniper Web Device Manager (J-Web). It arises when Juniper Secure Connect (JSC) is enabled on specific interfaces or mu...

CVE-2026-21916

CVE-2026-21916 is a local privilege-escalation vulnerability in Juniper Networks Junos OS CLI via UNIX Symlink Following. It permits a low-privilege, authenticated attacker to escalate to root after performing a specific file link CLI operation and later when another user commits unrelated config...

CVE-2013-6015

The CVE describes a Denial of Service in Juniper Junos SRX Series flowd when a plugin using TCP proxy is configured. Affected versions include Junos before 10.4S14, 11.4 before 11.4R5-S2, 12.1R before 12.1R3, 12.1X44 before 12.1X44-D20, and 12.1X45 before 12.1X45-D15. The issue arises from handli...

CVE-2014-2714

The CVE-2014-2714 issue affects Juniper Networks Junos OS when Enhanced Web Filtering (EWF) is enabled on SRX Series services gateways. The vulnerability stems from the EWF component processing crafted URLs, leading to a denial of service by crashing the flow daemon (flowd) and triggering a resta...

CVE-2014-6383

CVE-2014-6383 concerns Juniper Networks Junos OS where the stateless firewall on Trio-based PFE modules did not properly match ports, enabling a remote attacker to bypass firewall rules. Affected versions include Junos 13.3R3, 14.1R1, and 14.1R2. The underlying cause is faulty port matching in th...

CVE-2015-5359

The CVE covers Juniper Junos OS with a DoS caused by a NULL pointer dereference in RPD triggered by a flood of BGP-VPLS advertisements that update BGP local preference values. Affected are multiple Junos releases (various 12.x–15.x lines listed in the description). Root cause is improper handling...

CVE-2016-1258

The CVE-2016-1258 entry concerns Juniper Junos OS J-Web, which uses Embedthis AppWeb. Affected versions include Junos OS prior to specific builds listed in the description (e.g., before 12.1X44-D60, 12.1X46 before 12.1X46-D45, 12.1X47 before 12.1X47-D30, 12.3 before 12.3R10, 12.3X48 before 12.3X4...

CVE-2016-1270

Juniper Junos OS rpd daemon is vulnerable to a denial-of-service condition triggered by crafted BGP-based L2VPN/VPLS updates. Affected releases include several 12.x, 13.x, and 14.x trains listed in CVE-2016-1270; when the device is configured for BGP-based L2VPN or VPLS, processing a malformed L2...

CVE-2016-1273

The CVE-2016-1273 vulnerability affects Juniper Junos OS on QFX5100 and QFX10002 switches (versions before 13.2X51-D40, 14.x before 14.1X53-D30, and 15.x before 15.1X53-D20). The underlying issue is insufficient entropy in cryptographic/encryption and authentication protections, enabling remote a...

CVE-2018-0051

The CVE-2018-0051 issue is a Denial-of-Service in the SIP application layer gateway (ALG) of Junos OS, crashing MS-PIC, MS-MIC, MS-MPC, MS-DPC or the SRX flow daemon (flowd) when SIP ALG is enabled on NAT/stateful setups. Affected Junos OS releases include 12.1X46 (before D77), 12.3X48 (before D7...

CVE-2020-1630

CVE-2020-1630 affects Juniper Networks Junos OS on devices configured with dual Routing Engines, Virtual Chassis, or HA clusters. A local, authenticated low-privilege user with shell access can perform unauthorized configuration changes. The issue does not impact single-RE or stand-alone Junos OS...

CVE-2020-1662

CVE-2020-1662 describes a vulnerability in Juniper Networks Junos OS and Junos OS Evolved where BGP session flapping can cause the routing process daemon (RPD) to crash and restart when BGP damping is used with an accepted-prefix-limit configuration. Affected versions span multiple 17.x to 20.x r...

CVE-2020-1670

CVE-2020-1670 affects Juniper Junos OS on EX4300 Series. A stream of specific IPv4 packets entering the IRB interface can cause Routing Engine high CPU load, potentially leading to network protocol operation issues and traffic interruption. The trigger is limited to IPv4 (IPv6 is not affected) an...

CVE-2020-1683

CVE-2020-1683 is a memory-leak DoS issue in Juniper Networks Junos OS triggered by a specific SNMP OID poll, leading to a kernel crash (vmcore). Affected Junos OS versions include 17.4R3; 18.1R3-S5 and later to 18.1R3-S10 (excluded), 18.2R3 and later to before 18.2R3-S3, various 18.2X75 builds be...

CVE-2023-36835

CVE-2023-36835 affects Juniper Networks Junos OS on the QFX10000 series. The vulnerability arises from an improper check in the Packet Forwarding Engine (PFE). When a specific valid IP packet destined for a VXLAN tunnel is received, the PFE can enter a wedge condition causing traffic disruption (...

CVE-2024-21601

CVE-2024-21601 affects Juniper Networks Junos OS on SRX Series. A race condition in the Flow-processing Daemon (flowd) occurs when two threads simultaneously process the queue used for TCP events, causing flowd to crash. This allows an unauthenticated, network-based attacker to trigger a Denial-o...

CVE-2024-21603

CVE-2024-21603 affects Juniper Networks Junos OS on MX Series (MX304; MPC10/ MPC11; LC9600) with an improper check for unusual/exceptions in the kernel. When SCU/DCU uses more than 10 route classes and statistics are gathered via SNMP/CLI, a vmcore for the RE kernel can appear, causing a device r...

CVE-2024-47493

CVE-2024-47493 affects Junos OS on MX Series with Trio-based FPCs. The vulnerability is a Missing Release of Memory after Effective Lifetime in the PFE, causing a heap memory leak during channelized MIC interface flap activity and potentially leading to DoS for unauthenticated adjacent attackers....

CVE-2025-30650

CVE-2025-30650 concerns Junos OS on Linux-based line cards. A Missing Authentication for Critical Function in command processing allows a privileged local user to gain root access to the Linux-based FPC. Affected line cards include: MPC7–MPC11; LC2101/LC2103; LC480/LC4800/LC9600; MX304 (built-in ...

CVE-2025-52958

Summary of CVE-2025-52958 : A Reachable Assertion in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved can cause an adjacent, unauthenticated attacker to trigger a DoS. The issue occurs when route validation is enabled and a rare condition during BGP initial sess...

CVE-2013-6012

CVE-2013-6012 – Juniper Junos system affected by an authentication bypass when the no-validate option is enabled. The affected products are Juniper Junos 12.1X44 before 12.1.X44-D20 and 12.1X45 before 12.1X45-D15. The root cause is improper handling of configuration validation errors during the c...

CVE-2013-6170

CVE-2013-6170 affects Juniper Networks Junos OS (Junos 10.0 before 10.0S28, 10.4 before 10.4R7, 11.1 before 11.1R5, 11.2 before 11.2R2, and 11.4 before 11.4R1) in a Next-Generation Multicast VPN (NGEN MVPN) environment. The vulnerability arises from handling a large number of crafted PIM (S,G) jo...

CVE-2014-6380

Juniper Networks Junos OS is affected by a DoS vulnerability (CVE-2014-6380) involving the em interface when connecting to an internal network. Affected versions include 11.4 before R11, 12.1 before R9, 12.1X44 before D30, 12.1X45 before D20, 12.1X46 before D15, 12.1X47 before D10, 12.2 before R8...

CVE-2016-1277

Juniper Junos OS versions listed (various 12.1X, 12.3X, 13.3, 14.x, 15.x) are affected when GRE or IPIP tunnels are configured. The issue is triggered by a crafted ICMP packet, causing a remote kernel panic and resulting in a denial of service. The attack is network-reachable and does not require...

CVE-2020-1668

CVE-2020-1668 affects Juniper Networks Junos OS on the EX2300 Series. The issue is triggered by receipt of a stream of specific multicast packets on the layer-2 interface, causing high CPU load and potential traffic interruption. Affected versions include 18.1 before 18.1R3-S11; 18.2 before 18.2R...

CVE-2020-1669

CVE-2020-1669 affects Juniper Networks Junos OS on NFX350 devices via the JDM container that stores password hashes in the world-readable /etc/passwd. Root cause: password hashes are readable by local attackers. Impact: local access could enable brute-force decryption of hashes, with confidential...

CVE-2021-0231

CVE-2021-0231 describes a path-traversal information-disclosure vulnerability in Juniper Networks Junos OS on SRX and vSRX Series. An authenticated J-web user can read sensitive system files. Affected versions include Junos OS 19.3 up to 19.3R2-S6 and 19.3R3-S1; 19.4 up to 19.4R2-S4 and 19.4R3; 2...