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Juniper JunosJunos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packets are received, memory leaks and eventually no traffic is passed

Risk 40
Severity
7.1
First published (updated )
CVE-2026-33781

Juniper Junos OS EvolvedJunos OS Evolved: QFX5000 Series and PTX Series: An attacker sending crafted multicast packets will cause evo-aftmand / evo-pfemand to crash and restart

Risk 40
Severity
7.1
First published (updated )
CVE-2025-59969

Juniper JunosJunos OS: EX4k Series, QFX5k Series: In an EVPN-VXLAN configuration link flaps cause Inter-VNI traffic drop

Risk 29
Severity
7.1
EPSS
0.02%
First published (updated )
CVE-2026-21910

Juniper JunosJunos OS: EX4600 Series and QFX5000 Series: An attacker with physical access can open a persistent backdoor

Risk 65
Severity
7
First published (updated )
CVE-2025-59957

Juniper JunosJunos OS: EX2300, EX3400, EX4000 Series, QFX5k Series: Receipt of a specific DHCP packet causes FPC crash when DHCP Option 82 is enabled

Risk 72
Severity
7.7
First published (updated )
CVE-2025-30644
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Juniper Junos OS EvolvedJunos OS Evolved: QFX5000 Series: Configured MAC learning and move limits are not in effect

Risk 49
Severity
7.1
First published (updated )
CVE-2024-47498

Juniper JunosJunos OS: SRX Series, QFX Series, MX Series and EX Series: Receiving specific HTTPS traffic causes resource exhaustion

Risk 47
Severity
8.7
First published (updated )
CVE-2024-47497

Juniper JunosJunos OS: QFX5000 Series and EX Series: Specific malformed LACP packets will cause flaps

Risk 29
Severity
7.1
EPSS
0.04%
First published (updated )
CVE-2024-30388

Juniper JunosJunos OS: EX4100, EX4400, EX4600, QFX5000 Series: A high rate of specific ICMP traffic will cause the PFE to hang

Risk 31
Severity
7.5
EPSS
0.05%
First published (updated )
CVE-2024-21595

Juniper JunosJunos OS: QFX5000 Series: DMA memory leak is observed when specific DHCP packets are transmitted over pseudo-VTEP

Risk 43
Severity
7.5
First published (updated )
CVE-2023-44192
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Juniper JunosJunos OS: QFX5000 Series and EX4000 Series: Denial of Service (DoS) on a large scale VLAN due to PFE hogging

Risk 43
Severity
7.5
First published (updated )
CVE-2023-44191

Juniper JunosJunos OS: QFX5k: l2 loop in the overlay impacts the stability in a EVPN/VXLAN environment

Risk 43
Severity
7.5
First published (updated )
CVE-2023-44181

Juniper JunosJunos OS: QFX5100/QFX5110/QFX5120/QFX5200/QFX5210/EX4600/EX4650 Series: When storm control profiling is enabled and a device is under an active storm, a Heap-based Buffer Overflow in the PFE will cause a device to hang.

Risk 43
Severity
7.5
First published (updated )
CVE-2022-22188

Juniper JunosJunos OS: QFX5000 Series, EX4600: Device may run out of memory, causing traffic loss, upon receipt of specific IPv6 packets

Risk 43
Severity
7.5
First published (updated )
CVE-2022-22174

Juniper JunosJunos 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

Risk 43
Severity
7.5
First published (updated )
CVE-2021-0285
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Juniper JunosJunos OS and Junos OS Evolved: QFX5K Series: Underlay network traffic might not be processed upon receipt of high rate of specific genuine overlay packets in VXLAN scenario

Risk 43
Severity
7.4
First published (updated )
CVE-2021-0259

Juniper JunosJunos OS: Upon receipt of certain protocol packets with invalid payloads a self-propagating Denial of Service may occur.

Risk 43
Severity
7.4
First published (updated )
CVE-2021-0222

Juniper JunosJunos OS: EX Series and QFX Series: Memory leak issue processing specific DHCP packets

Risk 43
Severity
7.4
First published (updated )
CVE-2021-0217

Juniper JunosNFX250, NFX350, QFX5K Series, EX2300 Series, EX3400 Series, EX4300 Multigigabit, EX4600 Series: Certain genuine traffic received by the Junos OS device will be discarded instead of forwarded.

Risk 43
Severity
7.5
First published (updated )
CVE-2021-0207

Juniper JunosJunos OS: EX and QFX5K Series: Storm Control does not work as expected when Redundant Trunk Group is configured

Risk 49
Severity
8.6
First published (updated )
CVE-2021-0203
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Juniper JunosJunos 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.

Risk 43
Severity
7.5
First published (updated )
CVE-2020-1679

Juniper JunosJunos OS: BGP session termination upon receipt of specific BGP FlowSpec advertisement.

Risk 49
Severity
8.6
First published (updated )
CVE-2020-1613

Juniper JunosJunos OS: Cross-Site Scripting (XSS) in J-Web

Risk 69
Severity
7.5
First published (updated )
CVE-2020-1607

Juniper JunosJunos OS: Path traversal vulnerability in J-Web

Risk 60
Severity
8.1
First published (updated )
CVE-2020-1606

Juniper JunosJunos OS: RPD process crashes upon receipt of a specific SNMP packet

Risk 43
Severity
7.5
First published (updated )
CVE-2019-0043
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Juniper JunosJunos OS: QFX and PTX Series: FPC process crashes after J-Flow processes a malformed packet

Risk 43
Severity
7.5
First published (updated )
CVE-2019-0014

Juniper JunosJunos OS: RPD daemon crashes due to receipt of specific Draft-Rosen MVPN control packet in Draft-Rosen MVPN configuration

Risk 79
Severity
8.8
First published (updated )
CVE-2018-0045

Juniper JunosJunos OS: Denial of Service in J-Web

Risk 43
Severity
7.5
First published (updated )
CVE-2018-0062

Juniper JunosJunos OS: Receipt of a specifically crafted malicious MPLS packet leads to a Junos kernel crash.

Risk 43
Severity
7.5
First published (updated )
CVE-2018-0049

Juniper JunosJunos OS: RPD daemon crashes upon receipt of specific MPLS packet

Risk 79
Severity
8.8
First published (updated )
CVE-2018-0043
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