A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and MX Series allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS). On QFX5K Series and MX Series, when the PFE receives a specific VxLAN packet the Layer 2 Address Learning Manager (L2ALM) process will crash leading to an FPC reboot. Continued receipt of this specific packet will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on QFX5000 Series, MX Series: 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2; 21.2 versions prior to 21.2R2-S1. This issue does not affect Juniper Networks Junos OS: All versions prior to 20.3R1; 21.1 version 21.1R1 and later versions.
2022-07-20T15:15:08.703
2024-11-21T06:46:23.960
Modified
CVSSv3.1: 6.5 (MEDIUM)
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.3 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 20.4 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Operating System | juniper | junos | 21.2 | Yes |
Hardware | juniper | mx10 | - | No |
Hardware | juniper | mx10000 | - | No |
Hardware | juniper | mx10003 | - | No |
Hardware | juniper | mx10008 | - | No |
Hardware | juniper | mx10016 | - | No |
Hardware | juniper | mx104 | - | No |
Hardware | juniper | mx150 | - | No |
Hardware | juniper | mx2008 | - | No |
Hardware | juniper | mx2010 | - | No |
Hardware | juniper | mx2020 | - | No |
Hardware | juniper | mx204 | - | No |
Hardware | juniper | mx240 | - | No |
Hardware | juniper | mx40 | - | No |
Hardware | juniper | mx480 | - | No |
Hardware | juniper | mx5 | - | No |
Hardware | juniper | mx80 | - | No |
Hardware | juniper | mx960 | - | No |
Hardware | juniper | qfx5100 | - | No |
Hardware | juniper | qfx5100-96s | - | No |
Hardware | juniper | qfx5110 | - | No |
Hardware | juniper | qfx5120 | - | No |
Hardware | juniper | qfx5130 | - | No |
Hardware | juniper | qfx5200 | - | No |
Hardware | juniper | qfx5200-32c | - | No |
Hardware | juniper | qfx5200-48y | - | No |
Hardware | juniper | qfx5210 | - | No |
Hardware | juniper | qfx5210-64c | - | No |
Hardware | juniper | qfx5220 | - | No |
Hardware | juniper | qfx5700 | - | No |