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Juniper Networks — Vulnerabilities & Security Advisories 915

Browse all 915 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.

CVE ID Title CVSS Severity Published
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 OS CWE-400 7.5 High 2021-10-19
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 OS CWE-401 6.5 Medium 2021-10-19
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 OS CWE-252 6.5 Medium 2021-10-19
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 OS CWE-400 6.5 Medium 2021-10-19
CVE-2021-31364 Junos OS: SRX Series: The flowd process will crash if log session-close is configured and specific traffic is received — Junos OS CWE-754 5.9 Medium 2021-10-19
CVE-2021-31363 Junos OS and Junos OS Evolved: Receipt of a specific LDP message will cause a Denial of Service — Junos OS CWE-835 6.5 Medium 2021-10-19
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 OS CWE-693 6.5 Medium 2021-10-19
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 OS CWE-754 5.3 Medium 2021-10-19
CVE-2021-31360 Junos OS and Junos OS Evolved: Denial of Service vulnerability in local file processing — Junos OS CWE-269 7.1 High 2021-10-19
CVE-2021-31359 Junos OS and Junos OS Evolved: Local Privilege Escalation vulnerability — Junos OS CWE-269 7.8 High 2021-10-19
CVE-2021-31358 Junos OS Evolved: shell-injection vulnerabilities in evo_sftp UI wrapper script — Junos OS Evolved CWE-77 7.8 High 2021-10-19
CVE-2021-31357 Junos OS Evolved: shell-injection vulnerabilities in evo_tcpdump UI wrapper script — Junos OS Evolved CWE-77 7.8 High 2021-10-19
CVE-2021-31356 Junos OS Evolved: Multiple shell-injection vulnerabilities in EVO UI wrapper scripts — Junos OS Evolved CWE-77 7.8 High 2021-10-19
CVE-2021-31355 Junos OS: Stored Cross-Site Scripting (XSS) vulnerability in captive portal — Junos OS CWE-79 8.0 High 2021-10-19
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 OS CWE-125 7.1 High 2021-10-19
CVE-2021-31353 Junos OS and Junos OS Evolved: RPD core upon receipt of specific BGP update — Junos OS CWE-755 7.5 High 2021-10-19
CVE-2021-31352 SRC Series: NETCONF over SSH allows negotiation of weak ciphers — SRC Series CWE-200 5.3 Medium 2021-10-19
CVE-2021-31351 Junos OS: MX Series: Receipt of specific packet on MS-MPC/MS-MIC causes line card reset — Junos OS CWE-754 7.5 High 2021-10-19
CVE-2021-31350 Junos OS and Junos OS Evolved: Privilege escalation vulnerability in Juniper Extension Toolkit (JET) — Junos OS CWE-269 7.5 High 2021-10-19
CVE-2021-31349 Session Smart Router: Authentication Bypass Vulnerability — 128 Technology Session Smart Router CWE-287 9.8 Critical 2021-10-19
CVE-2021-0299 Junos OS: Kernel crash (vmcore) upon receipt of a malformed IPv6 packet — Junos OS CWE-755 7.5 High 2021-10-19
CVE-2021-0298 Junos OS Evolved: PTX10003, PTX10008: picd core while executing the "show chassis pic" command under certain conditions — Junos OS Evolved CWE-362 4.7 Medium 2021-10-19
CVE-2021-0297 Junos OS Evolved: BGP and LDP sessions with TCP MD5 authentication established with peers not configured for authentication — Junos OS Evolved CWE-755 6.5 Medium 2021-10-19
CVE-2021-0296 CTPView: HSTS not being enforced on CTPView server. — CTPView CWE-319 7.4 High 2021-10-19
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 OS CWE-120 7.5 High 2021-08-17
CVE-2021-0295 Junos OS: QFX10K Series: Denial of Service (DoS) upon receipt of DVMRP packets received on multi-homing ESI in VXLAN. — Junos OS CWE-697 6.1 Medium 2021-07-15
CVE-2021-0294 Junos OS: QFX5000 Series and EX4600 Series: Enhanced storm control might not work leading to partial Denial of Service — Junos OS CWE-474 5.3 Medium 2021-07-15
CVE-2021-0293 Junos OS: Out-of-memory condition and crashes can occur after executing a certain CLI command repeatedly — Junos OS CWE-401 5.5 Medium 2021-07-15
CVE-2021-0292 Junos OS Evolved: Memory leak in arpd or ndp processes can lead to Denial of Service (DoS) — Junos OS Evolved CWE-400 6.5 Medium 2021-07-15
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 OS CWE-497 6.5 Medium 2021-07-15

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.