Juniper Qfx5220
33 CVEs affecting Juniper Qfx5220. Latest disclosed: 2026-04-09. Critical: 0, High: 11.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2021-0203 | High | 8.6 | 2021-01-15 | On 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-2025-30644 | High | 7.5 | 2025-04-09 | A Heap-based Buffer Overflow vulnerability in the flexible PIC concentrator (FPC) of Juniper Networks Junos OS on EX2300, EX3400, EX4100, EX4300, EX4300MP, EX4… |
CVE-2024-47497 | High | 7.5 | 2024-10-11 | An 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-2024-21595 | High | 7.5 | 2024-01-12 | An Improper Validation of Syntactic Correctness of Input vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a network-bas… |
CVE-2022-22174 | High | 7.5 | 2022-01-19 | A vulnerability in the processing of inbound IPv6 packets in Juniper Networks Junos OS on QFX5000 Series and EX4600 switches may cause the memory to not be fre… |
CVE-2021-0285 | High | 7.5 | 2021-07-15 | An uncontrolled resource consumption vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series switches allows an attacker sending large a… |
CVE-2021-0207 | High | 7.5 | 2021-01-15 | An improper interpretation conflict of certain data between certain software components within the Juniper Networks Junos OS devices does not allow certain tra… |
CVE-2020-1679 | High | 7.5 | 2020-10-16 | On Juniper Networks PTX and QFX Series devices with packet sampling configured using tunnel-observation mpls-over-udp, sampling of a malformed packet can cause… |
CVE-2020-1638 | High | 7.5 | 2020-04-08 | The FPC (Flexible PIC Concentrator) of Juniper Networks Junos OS and Junos OS Evolved may restart after processing a specific IPv4 packet. Only packets destine… |
CVE-2021-0259 | High | 7.4 | 2021-04-22 | Due to a vulnerability in DDoS protection in Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in a VXLAN configuration, instability migh… |
CVE-2021-0217 | High | 7.4 | 2021-01-15 | A vulnerability in processing of certain DHCP packets from adjacent clients on EX Series and QFX Series switches running Juniper Networks Junos OS with DHCP lo… |
CVE-2025-59957 | Medium | 6.8 | 2025-10-09 | An Origin Validation Error vulnerability in an insufficient protected file of Juniper Networks Junos OS on EX4600 Series and QFX5000 Series allows an unauthent… |
CVE-2026-33781 | Medium | 6.5 | 2026-04-09 | An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on specific EX and QFX… |
CVE-2025-59969 | Medium | 6.5 | 2026-04-09 | A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the advanced forwarding toolkit (evo-aftmand/evo-pfemand) of Juniper… |
CVE-2026-21910 | Medium | 6.5 | 2026-01-15 | An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on EX4k Series and QFX… |
CVE-2024-47498 | Medium | 6.5 | 2024-10-11 | An Unimplemented or Unsupported Feature in UI vulnerability in the CLI of Juniper Networks Junos OS Evolved on QFX5000 Series allows an unauthenticated, adjace… |
CVE-2024-30388 | Medium | 6.5 | 2024-04-12 | An Improper Isolation or Compartmentalization vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series and EX Series… |
CVE-2023-44203 | Medium | 6.5 | 2023-10-13 | An Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX… |
CVE-2023-22405 | Medium | 6.5 | 2023-01-13 | An Improper Preservation of Consistency Between Independent Representations of Shared State vulnerability in the Packet Forwarding Engine (PFE) of Juniper Netw… |
CVE-2022-22226 | Medium | 6.5 | 2022-10-18 | In VxLAN scenarios on EX4300-MP, EX4600, QFX5000 Series devices an Uncontrolled Memory Allocation vulnerability in the Packet Forwarding Engine (PFE) of Junipe… |