An Improper Check for Unusual or Exceptional Conditions vulnerability in the Layer 2 Address Learning Daemon (l2ald) on Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause Denial of Service (DoS). In an EVPN/VXLAN scenario, when a high amount specific Layer 2 packets are processed by the device, it can cause the Routing Protocol Daemon (rpd) to utilize all CPU resources which causes the device to hang. A manual restart of the rpd is required to restore services. This issue affects both IPv4 and IPv6 implementations. This issue affects Junos OS: All versions earlier than 21.4R3-S7; 22.1 versions earlier than 22.1R3-S5; 22.2 versions earlier than 22.2R3-S3; 22.3 versions earlier than 22.3R3-S3; 22.4 versions earlier than 22.4R3-S2; 23.2 versions earlier than 23.2R2; 23.4 versions earlier than 23.4R1-S1. Junos OS Evolved: All versions earlier than 21.4R3-S7-EVO; 22.1-EVO versions earlier than 22.1R3-S5-EVO; 22.2-EVO versions earlier than 22.2R3-S3-EVO; 22.3-EVO versions earlier than 22.3R3-S3-EVO; 22.4-EVO versions earlier than 22.4R3-S2-EVO; 23.2-EVO versions earlier than 23.2R2-EVO; 23.4-EVO versions earlier than 23.4R1-S1-EVO, 23.4R2-EVO.
2024-07-10T23:15:11.127
2025-02-07T19:59:34.660
Analyzed
CVSSv3.1: 6.5 (MEDIUM)
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | juniper | junos | < 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 21.4 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.1 | Yes |
Operating System | juniper | junos | 22.2 | Yes |
Operating System | juniper | junos | 22.2 | Yes |
Operating System | juniper | junos | 22.2 | Yes |
Operating System | juniper | junos | 22.2 | Yes |
Operating System | juniper | junos | 22.2 | Yes |
Operating System | juniper | junos | 22.2 | Yes |
Operating System | juniper | junos | 22.2 | Yes |
Operating System | juniper | junos | 22.2 | Yes |
Operating System | juniper | junos | 22.2 | Yes |
Operating System | juniper | junos | 22.2 | Yes |
Operating System | juniper | junos | 22.3 | Yes |
Operating System | juniper | junos | 22.3 | Yes |
Operating System | juniper | junos | 22.3 | Yes |
Operating System | juniper | junos | 22.3 | Yes |
Operating System | juniper | junos | 22.3 | Yes |
Operating System | juniper | junos | 22.3 | Yes |
Operating System | juniper | junos | 22.3 | Yes |
Operating System | juniper | junos | 22.3 | Yes |
Operating System | juniper | junos | 22.3 | Yes |
Operating System | juniper | junos | 22.3 | Yes |
Operating System | juniper | junos | 22.4 | Yes |
Operating System | juniper | junos | 22.4 | Yes |
Operating System | juniper | junos | 22.4 | Yes |
Operating System | juniper | junos | 22.4 | Yes |
Operating System | juniper | junos | 22.4 | Yes |
Operating System | juniper | junos | 22.4 | Yes |
Operating System | juniper | junos | 22.4 | Yes |
Operating System | juniper | junos | 22.4 | Yes |
Operating System | juniper | junos | 22.4 | Yes |
Operating System | juniper | junos | 23.2 | Yes |
Operating System | juniper | junos | 23.2 | Yes |
Operating System | juniper | junos | 23.2 | Yes |
Operating System | juniper | junos | 23.2 | Yes |
Operating System | juniper | junos | 23.4 | Yes |
Operating System | juniper | junos | 23.4 | Yes |
Operating System | juniper | junos_os_evolved | < 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 21.4 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.1 | Yes |
Operating System | juniper | junos_os_evolved | 22.2 | Yes |
Operating System | juniper | junos_os_evolved | 22.2 | Yes |
Operating System | juniper | junos_os_evolved | 22.2 | Yes |
Operating System | juniper | junos_os_evolved | 22.2 | Yes |
Operating System | juniper | junos_os_evolved | 22.2 | Yes |
Operating System | juniper | junos_os_evolved | 22.2 | Yes |
Operating System | juniper | junos_os_evolved | 22.2 | Yes |
Operating System | juniper | junos_os_evolved | 22.2 | Yes |
Operating System | juniper | junos_os_evolved | 22.2 | Yes |
Operating System | juniper | junos_os_evolved | 22.2 | Yes |
Operating System | juniper | junos_os_evolved | 22.3 | Yes |
Operating System | juniper | junos_os_evolved | 22.3 | Yes |
Operating System | juniper | junos_os_evolved | 22.3 | Yes |
Operating System | juniper | junos_os_evolved | 22.3 | Yes |
Operating System | juniper | junos_os_evolved | 22.3 | Yes |
Operating System | juniper | junos_os_evolved | 22.3 | Yes |
Operating System | juniper | junos_os_evolved | 22.3 | Yes |
Operating System | juniper | junos_os_evolved | 22.3 | Yes |
Operating System | juniper | junos_os_evolved | 22.3 | Yes |
Operating System | juniper | junos_os_evolved | 22.3 | Yes |
Operating System | juniper | junos_os_evolved | 22.4 | Yes |
Operating System | juniper | junos_os_evolved | 22.4 | Yes |
Operating System | juniper | junos_os_evolved | 22.4 | Yes |
Operating System | juniper | junos_os_evolved | 22.4 | Yes |
Operating System | juniper | junos_os_evolved | 22.4 | Yes |
Operating System | juniper | junos_os_evolved | 22.4 | Yes |
Operating System | juniper | junos_os_evolved | 22.4 | Yes |
Operating System | juniper | junos_os_evolved | 22.4 | Yes |
Operating System | juniper | junos_os_evolved | 22.4 | Yes |
Operating System | juniper | junos_os_evolved | 23.2 | Yes |
Operating System | juniper | junos_os_evolved | 23.2 | Yes |
Operating System | juniper | junos_os_evolved | 23.2 | Yes |
Operating System | juniper | junos_os_evolved | 23.2 | Yes |
Operating System | juniper | junos_os_evolved | 23.4 | Yes |
Operating System | juniper | junos_os_evolved | 23.4 | Yes |