In a Segment Routing ISIS (SR-ISIS)/MPLS environment, on Juniper Networks Junos OS and Junos OS Evolved devices, configured with ISIS Flexible Algorithm for Segment Routing and sensor-based statistics, a flap of a ISIS link in the network, can lead to a routing process daemon (RPD) crash and restart, causing a Denial of Service (DoS). Continued link flaps will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 19.4 versions before 19.4R1-S4, 19.4R3-S2; 20.1 versions before 20.1R2-S1, 20.1R3; 20.2 versions before 20.2R2-S2, 20.2R3; 20.3 versions before 20.3R2; Juniper Networks Junos OS Evolved: 20.3-EVO versions before 20.3R2-EVO; 20.4-EVO versions before 20.4R2-EVO. This issue does not affect: Juniper Networks Junos OS releases before 19.4R1. Juniper Networks Junos OS Evolved releases before 19.4R1-EVO.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
juniper junos 19.4 |
||
juniper junos 20.1 |
||
juniper junos 20.2 |
||
juniper junos 20.3 |
||
juniper junos os evolved 20.3 |
||
juniper junos os evolved 20.4 |
Vulmon