Description (CNA)
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 prior to 19.4R1-S4, 19.4R3-S2; 20.1 versions prior to 20.1R2-S1, 20.1R3; 20.2 versions prior to 20.2R2-S2, 20.2R3; 20.3 versions prior to 20.3R2; Juniper Networks Junos OS Evolved: 20.3-EVO versions prior to 20.3R2-EVO; 20.4-EVO versions prior to 20.4R2-EVO. This issue does not affect: Juniper Networks Junos OS releases prior to 19.4R1. Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Juniper Networks / Junos OS | unaffected unspecified before 19.4R1; affected 19.4R1 before 19.4*; affected 20.1 before 20.1R2-S1, 20.1R3; affected 20.2 before 20.2R2-S2, 20.2R3; affected 20.3 before 20.3R2 |
| Juniper Networks / Junos OS Evolved | unaffected unspecified before 19.4R1-EVO; affected 19.4R1-EVO before 19.4*; affected 20.1R1-EVO before 20.1*; affected 20.2R1-EVO before 20.2*; affected 20.3 before 20.3R2-EVO; affected 20.4 before 20.4R2-EVO |
CWE
CWE-754
References
ADP enrichment
No English description supplied.