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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-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 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 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 CWE-269 7.1 High 2021-10-19
CVE-2021-31359 Junos OS and Junos OS Evolved: Local Privilege Escalation vulnerability CWE-269 7.8 High 2021-10-19
CVE-2021-31355 Junos OS: Stored Cross-Site Scripting (XSS) vulnerability in captive portal 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) 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 CWE-755 7.5 High 2021-10-19
CVE-2021-31351 Junos OS: MX Series: Receipt of specific packet on MS-MPC/MS-MIC causes line card reset 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) CWE-269 7.5 High 2021-10-19
CVE-2021-0299 Junos OS: Kernel crash (vmcore) upon receipt of a malformed IPv6 packet CWE-755 7.5 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) 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. 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 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 CWE-401 5.5 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 CWE-497 6.5 Medium 2021-07-15
CVE-2021-0290 Junos OS: MX Series, EX9200 Series, SRX4600: Ethernet interface vulnerable to specially crafted frames CWE-755 6.5 Medium 2021-07-15
CVE-2021-0289 Junos OS: User-defined ARP Policer isn't applied on Aggregated Ethernet (AE) interface until firewall process is restarted CWE-367 6.5 Medium 2021-07-15
CVE-2021-0288 Junos OS: MX Series, EX9200 Series: FPC may crash upon receipt of specific MPLS packet affecting Trio-based MPCs CWE-754 6.5 Medium 2021-07-15
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 CWE-754 6.5 Medium 2021-07-15
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 CWE-770 7.5 High 2021-07-15
CVE-2021-0283 Junos OS: Upon receipt of specific sequences of genuine packets destined to the device the kernel will crash and restart (vmcore) CWE-120 7.5 High 2021-07-15
CVE-2021-0282 Junos OS: RPD crash while processing a specific BGP UPDATE when Multipath or add-path features are enabled CWE-754 7.5 High 2021-07-15
CVE-2021-0281 Junos OS and Junos OS Evolved: Specific packets can trigger rpd crash when BGP Origin Validation is configured with RPKI CWE-754 5.9 Medium 2021-07-15
CVE-2021-0280 Junos OS: PTX Series, QFX10K Series: Upon receipt of specific packets BFD sessions might flap due to DDoS policer implementation in Packet Forwarding Engine CWE-665 7.5 High 2021-07-15
CVE-2021-0278 Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root. CWE-20 8.8 High 2021-07-15
CVE-2021-0277 Junos OS and Junos OS Evolved: LLDP Out-of-Bounds Read vulnerability in l2cpd CWE-125 8.8 High 2021-07-15
CVE-2021-0275 Junos OS: J-Web: Cross-site scripting attack allows an attacker to gain control of another users session. CWE-79 8.8 High 2021-04-22
CVE-2021-0272 Junos OS: QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016: In EVPN-VXLAN scenarios receipt of specific genuine packets by an adjacent attacker will cause a kernel memory leak in FPC. CWE-401 6.5 Medium 2021-04-22
CVE-2021-0273 Junos OS and Junos OS Evolved: Trio Chipset: Denial of Service due to packet destined to device's interfaces. CWE-835 5.3 Medium 2021-04-22
CVE-2021-0271 Junos OS: EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series: Receipt of a crafted ARP packet by an adjacent attacker will cause the sfid process to core. 6.5 Medium 2021-04-22

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