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.
References
| Link | Resource |
|---|---|
| https://kb.juniper.net/JSA11189 | Vendor Advisory |
| https://kb.juniper.net/JSA11189 | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
21 Nov 2024, 05:42
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://kb.juniper.net/JSA11189 - Vendor Advisory |
Information
Published : 2021-07-15 20:15
Updated : 2024-11-21 05:42
NVD link : CVE-2021-0287
Mitre link : CVE-2021-0287
CVE.ORG link : CVE-2021-0287
JSON object : View
Products Affected
juniper
- junos
- junos_os_evolved
CWE
CWE-754
Improper Check for Unusual or Exceptional Conditions