Juniper Ex3400

56 CVEs affecting Juniper Ex3400. Latest disclosed: 2026-04-09. Critical: 3, High: 29.

Top CVEs affecting Juniper Ex3400
CVESeverityScorePublishedSummary
CVE-2021-0211Critical10.02021-01-15An improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved Routing Protocol Daemon (RPD) service allows an attac…
CVE-2019-0006Critical9.82019-01-15A certain crafted HTTP packet can trigger an uninitialized function pointer deference vulnerability in the Packet Forwarding Engine manager (fxpc) on all EX, Q…
CVE-2019-0002Critical9.82019-01-15On EX2300 and EX3400 series, stateless firewall filter configuration that uses the action 'policer' in combination with other actions might not take effect. Wh…
CVE-2024-39565High8.82024-07-10An Improper Neutralization of Data within XPath Expressions ('XPath Injection') vulnerability in J-Web shipped with Juniper Networks Junos OS allows an unauthe…
CVE-2024-21620High8.82024-01-25An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in J-Web of Juniper Networks Junos OS on SRX Series and E…
CVE-2021-0275High8.82021-04-22A Cross-site Scripting (XSS) vulnerability in J-Web on Juniper Networks Junos OS allows an attacker to target another user's session thereby gaining access to…
CVE-2018-0045High8.82018-10-10Receipt of a specific Draft-Rosen MVPN control packet may cause the routing protocol daemon (RPD) process to crash and restart or may lead to remote code execu…
CVE-2018-0043High8.82018-10-10Receipt of a specific MPLS packet may cause the routing protocol daemon (RPD) process to crash and restart or may lead to remote code execution. By continuousl…
CVE-2021-0203High8.62021-01-15On Juniper Networks EX and QFX5K Series platforms configured with Redundant Trunk Group (RTG), Storm Control profile applied on the RTG interface might not tak…
CVE-2020-1613High8.62020-04-08A vulnerability in the BGP FlowSpec implementation may cause a Juniper Networks Junos OS device to terminate an established BGP session upon receiving a specif…
CVE-2022-22221High7.82022-07-20An Improper Neutralization of Special Elements vulnerability in the download manager of Juniper Networks Junos OS on SRX Series and EX Series allows a locally…
CVE-2019-0071High7.82019-10-09Veriexec is a kernel-based file integrity subsystem in Junos OS that ensures only authorized binaries are able to be executed. Due to a flaw in specific versio…
CVE-2018-0024High7.82018-07-11An Improper Privilege Management vulnerability in a shell session of Juniper Networks Junos OS allows an authenticated unprivileged attacker to gain full contr…
CVE-2025-30644High7.52025-04-09A Heap-based Buffer Overflow vulnerability in the flexible PIC concentrator (FPC) of Juniper Networks Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4…
CVE-2024-47497High7.52024-10-11An Uncontrolled Resource Consumption vulnerability in the http daemon (httpd) of Juniper Networks Junos OS on SRX Series, QFX Series, MX Series and EX Series a…
CVE-2023-44191High7.52023-10-13 An Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause…
CVE-2022-22180High7.52022-01-19An Improper Check for Unusual or Exceptional Conditions vulnerability in the processing of specific IPv6 packets on certain EX Series devices may lead to exhau…
CVE-2021-31368High7.52021-10-19An Uncontrolled Resource Consumption vulnerability in the kernel of Juniper Networks JUNOS OS allows an unauthenticated network based attacker to cause 100% CP…
CVE-2021-0261High7.52021-04-22A vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN (DVPN), Firewall Authentication Pass-Through with Web-Redirect, and Ca…
CVE-2021-0207High7.52021-01-15An improper interpretation conflict of certain data between certain software components within the Juniper Networks Junos OS devices does not allow certain tra…