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Junos OS — Vulnerabilities & Security Advisories 678

All 678 CVE vulnerabilities found in Junos OS, with AI-generated Chinese analysis, references, and POCs.

This page aggregates vulnerability data for Junos OS, a network operating system developed by Juniper Networks. It collects security flaws across multiple weakness types, covering advisories issued from 2010 through the most recent updates. Readers can use this resource to track the vendor's published advisories, understand specific weakness classes like memory corruption or improper input validation, and review the product's historical vulnerability trends without needing to search individual databases.

Vendor: Juniper Networks

CVE ID Title CVSS Severity Published
CVE-2020-1689 Junos OS: EX4300-MP/EX4600/QFX5K Series: High CPU load due to receipt of specific layer 2 frames when deployed in a Virtual Chassis configuration CWE-400 6.5 Medium 2020-10-16
CVE-2020-1687 Junos OS: EX4300-MP/EX4600/QFX5K Series: High CPU load due to receipt of specific layer 2 frames in EVPN-VXLAN deployment. CWE-400 6.5 Medium 2020-10-16
CVE-2020-1688 Junos OS: SRX and NFX Series: Insufficient Web API private key protection CWE-359 6.5 Medium 2020-10-16
CVE-2020-1685 Junos OS: EX4600, QFX5K Series: Stateless firewall filter matching 'user-vlan-id' will cause incomplete discard action CWE-203 5.8 Medium 2020-10-16
CVE-2020-1686 Junos OS: Kernel crash (vmcore) upon receipt of a malformed IPv6 packet. CWE-415 7.5 High 2020-10-16
CVE-2020-1683 Junos OS: Memory leak leads to kernel crash (vmcore) due to SNMP polling CWE-401 7.5 High 2020-10-16
CVE-2020-1684 Junos OS: SRX Series: High CPU load due to processing for HTTP traffic when Application Identification is enabled. CWE-400 7.5 High 2020-10-16
CVE-2020-1680 Junos OS: MX Series: MS-MPC/MIC might crash when processing malformed IPv6 packet in NAT64 configuration. CWE-131 5.3 Medium 2020-10-16
CVE-2020-1682 Junos OS: SRX1500, vSRX, SRX4K, NFX150, NFX250: Denial of service vulnerability executing local CLI command CWE-20 5.5 Medium 2020-10-16
CVE-2020-1678 Junos OS and Junos OS Evolved: RPD can crash due to a slow memory leak. CWE-400 6.5 Medium 2020-10-16
CVE-2020-1679 Junos OS: PTX/QFX Series: Kernel Routing Table (KRT) queue stuck after packet sampling a malformed packet when the tunnel-observation mpls-over-udp configuration is enabled. CWE-20 7.5 High 2020-10-16
CVE-2020-1672 Junos OS: jdhcpd process crash when processing a specific DHCPDv6 packet in DHCPv6 relay configuration. 7.5 High 2020-10-16
CVE-2020-1673 Junos OS: Reflected Cross-site Scripting vulnerability in J-Web and web based (HTTP/HTTPS) services CWE-79 8.8 High 2020-10-16
CVE-2020-1669 Junos OS: NFX350: Password hashes stored in world-readable format CWE-256 6.3 Medium 2020-10-16
CVE-2020-1670 Junos OS: EX4300 Series: High CPU load due to receipt of specific IPv4 packets CWE-400 6.5 Medium 2020-10-16
CVE-2020-1671 Junos OS: Receipt of malformed DHCPv6 packets causes jdhcpd to crash. CWE-119 7.5 High 2020-10-16
CVE-2020-1667 Junos OS: MX Series: Services card might restart due to a race condition when DNS filtering is enabled. CWE-362 8.3 High 2020-10-16
CVE-2020-1668 Junos OS: EX2300 Series: High CPU load due to receipt of specific multicast packets on layer 2 interface CWE-400 6.5 Medium 2020-10-16
CVE-2020-1665 Junos OS: MX series/EX9200 Series: IPv6 DDoS protection does not work as expected. CWE-794 5.3 Medium 2020-10-16
CVE-2020-1662 Junos OS and Junos OS Evolved: RPD crash due to BGP session flapping. CWE-20 7.5 High 2020-10-16
CVE-2020-1664 Junos OS: Buffer overflow vulnerability in device control daemon CWE-121 7.8 High 2020-10-16
CVE-2020-1657 Junos OS: SRX Series: An attacker sending spoofed packets to IPSec peers may cause a Denial of Service. CWE-408 7.5 High 2020-10-16
CVE-2020-1660 Junos OS: MX Series: Receipt of specific packets can cause services card to restart when DNS filtering is configured. 8.3 High 2020-10-16
CVE-2020-1661 Junos OS: jdhcpd process crash when forwarding a malformed DHCP packet. 5.3 Medium 2020-10-16
CVE-2020-1656 Junos OS: When a DHCPv6 Relay-Agent is configured upon receipt of a specific DHCPv6 client message, Remote Code Execution may occur. 8.8 High 2020-10-16
CVE-2020-1655 Junos OS: MX Series: PFE crash on MPC7/8/9 upon receipt of large packets requiring fragmentation 5.3 Medium 2020-07-17
CVE-2020-1653 Junos OS: Kernel crash (vmcore) or FPC crash due to mbuf leak CWE-159 7.5 High 2020-07-17
CVE-2020-1654 Junos OS: SRX Series: processing a malformed HTTP message when ICAP redirect service is enabled may can lead to flowd process crash or remote code execution CWE-120 9.8 Critical 2020-07-17
CVE-2020-1651 Junos OS: MX Series: PFE on the line card may crash due to memory leak. CWE-19 6.5 Medium 2020-07-17
CVE-2020-1649 Junos OS: MX Series: PFE crash on MPC7/8/9 upon receipt of small fragments requiring reassembly 7.5 High 2020-07-17

All 678 known CVE vulnerabilities affecting Junos OS with full Chinese analysis, references, and POCs where available.