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Juniper Networks — Vulnerabilities & Security Advisories 893

Browse all 893 CVE security advisories affecting Juniper Networks. AI-powered Chinese analysis, POCs, and references for each vulnerability.

Juniper Networks operates as a global provider of networking hardware, software, and services, primarily focusing on enterprise and service provider infrastructure. With 893 recorded Common Vulnerabilities and Exposures, the company’s attack surface reflects the complexity of its extensive product portfolio. Historically, vulnerabilities in its systems have frequently involved remote code execution, cross-site scripting, and privilege escalation flaws, often stemming from input validation errors or improper access controls in management interfaces. Notable incidents include critical flaws in ScreenOS and Junos OS that allowed attackers to bypass authentication or execute arbitrary commands, highlighting risks in legacy and core routing platforms. These issues underscore the necessity for rigorous patch management and secure configuration practices. As a foundational element of global internet infrastructure, the security posture of Juniper Networks directly impacts the stability and integrity of connected networks worldwide, necessitating continuous monitoring and proactive defense strategies.

Found 658 results / 893Clear Filters
CVE IDTitleCVSSSeverityPublished
CVE-2021-31372 Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root. — Junos OSCWE-20 8.8 High2021-10-19
CVE-2021-31371 Junos OS: QFX5000 Series: Traffic from the network internal to the device (128.0.0.0) may be forwarded to egress interfaces. — Junos OSCWE-200 5.3 Medium2021-10-19
CVE-2021-31370 Junos OS: QFX5000 Series and EX4600 Series: Control traffic might be dropped if a high rate of specific multicast traffic is received — Junos OSCWE-184 6.5 Medium2021-10-19
CVE-2021-31369 Junos OS: MX Series: Traffic drops will be observed if MS-MPC/MS-PIC resources are consumed by certain traffic causing a partial DoS — Junos OSCWE-770 5.3 Medium2021-10-19
CVE-2021-31368 Junos OS: EX2300 Series, EX3400 Series, and ACX710 might become unresponsive if the out-of-band management port receives a flood of traffic — Junos OSCWE-400 7.5 High2021-10-19
CVE-2021-31367 Junos OS: PTX Series: An FPC heap memory leak will be triggered by certain Flowspec route operations which can lead to an FPC crash — Junos OSCWE-401 6.5 Medium2021-10-19
CVE-2021-31366 Junos OS: MX Series: In subscriber management / BBE configuration authd can crash if a subscriber with a specific username tries to login leading to a DoS — Junos OSCWE-252 6.5 Medium2021-10-19
CVE-2021-31365 Junos OS: EX2300, EX3400 and EX4300 Series: An Aggregated Ethernet (AE) interface will go down due to a stream of specific layer 2 frames — Junos OSCWE-400 6.5 Medium2021-10-19
CVE-2021-31364 Junos OS: SRX Series: The flowd process will crash if log session-close is configured and specific traffic is received — Junos OSCWE-754 5.9 Medium2021-10-19
CVE-2021-31363 Junos OS and Junos OS Evolved: Receipt of a specific LDP message will cause a Denial of Service — Junos OSCWE-835 6.5 Medium2021-10-19
CVE-2021-31362 Junos OS and Junos OS Evolved: An IS-IS adjacency might be taken down if a bad hello PDU is received for an existing adjacency causing a DoS — Junos OSCWE-693 6.5 Medium2021-10-19
CVE-2021-31361 Junos OS: QFX Series and PTX Series: FPC resource usage increases when certain packets are processed which are being VXLAN encapsulated — Junos OSCWE-754 5.3 Medium2021-10-19
CVE-2021-31360 Junos OS and Junos OS Evolved: Denial of Service vulnerability in local file processing — Junos OSCWE-269 7.1 High2021-10-19
CVE-2021-31359 Junos OS and Junos OS Evolved: Local Privilege Escalation vulnerability — Junos OSCWE-269 7.8 High2021-10-19
CVE-2021-31355 Junos OS: Stored Cross-Site Scripting (XSS) vulnerability in captive portal — Junos OSCWE-79 8.0 High2021-10-19
CVE-2021-31354 Junos OS and Junos OS Evolved: A vulnerability in the Juniper Agile License Client may allow an attacker to perform Remote Code Execution (RCE) — Junos OSCWE-125 7.1 High2021-10-19
CVE-2021-31353 Junos OS and Junos OS Evolved: RPD core upon receipt of specific BGP update — Junos OSCWE-755 7.5 High2021-10-19
CVE-2021-31351 Junos OS: MX Series: Receipt of specific packet on MS-MPC/MS-MIC causes line card reset — Junos OSCWE-754 7.5 High2021-10-19
CVE-2021-31350 Junos OS and Junos OS Evolved: Privilege escalation vulnerability in Juniper Extension Toolkit (JET) — Junos OSCWE-269 7.5 High2021-10-19
CVE-2021-0299 Junos OS: Kernel crash (vmcore) upon receipt of a malformed IPv6 packet — Junos OSCWE-755 7.5 High2021-10-19
CVE-2021-0284 Junos OS: Upon receipt of specific sequences of genuine packets destined to the device the kernel will crash and restart (vmcore) — Junos OSCWE-120 7.5 High2021-08-17
CVE-2021-0295 Junos OS: QFX10K Series: Denial of Service (DoS) upon receipt of DVMRP packets received on multi-homing ESI in VXLAN. — Junos OSCWE-697 6.1 Medium2021-07-15
CVE-2021-0294 Junos OS: QFX5000 Series and EX4600 Series: Enhanced storm control might not work leading to partial Denial of Service — Junos OSCWE-474 5.3 Medium2021-07-15
CVE-2021-0293 Junos OS: Out-of-memory condition and crashes can occur after executing a certain CLI command repeatedly — Junos OSCWE-401 5.5 Medium2021-07-15
CVE-2021-0291 Junos OS and Junos OS Evolved: A vulnerability allows a network based unauthenticated attacker which sends a high rate of specific traffic to cause a partial Denial of Service — Junos OSCWE-497 6.5 Medium2021-07-15
CVE-2021-0290 Junos OS: MX Series, EX9200 Series, SRX4600: Ethernet interface vulnerable to specially crafted frames — Junos OSCWE-755 6.5 Medium2021-07-15
CVE-2021-0289 Junos OS: User-defined ARP Policer isn't applied on Aggregated Ethernet (AE) interface until firewall process is restarted — Junos OSCWE-367 6.5 Medium2021-07-15
CVE-2021-0288 Junos OS: MX Series, EX9200 Series: FPC may crash upon receipt of specific MPLS packet affecting Trio-based MPCs — Junos OSCWE-754 6.5 Medium2021-07-15
CVE-2021-0287 Junos OS and Junos OS Evolved: RPD could crash in SR-ISIS/MPLS environment due to a flap of an ISIS link in the network — Junos OSCWE-754 6.5 Medium2021-07-15
CVE-2021-0285 Junos OS: QFX5000 Series and EX4600 Series: Continuous traffic destined to a device configured with MC-LAG leading to nodes losing their control connection which can impact traffic — Junos OSCWE-770 7.5 High2021-07-15

This page lists every published CVE security advisory associated with Juniper Networks. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.