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CVE-2021-0287
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
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..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 5.7/10
- Exploit Score
- 5.5/10
- Access Vector
- Adjacent_network
- Access Complexity
- Medium
- Authentication Required
- None
- Impact Score
- 6.9/10
- Confidentiality Impact
- None
- Availability Impact
- Complete
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 6.5/10
- Exploit Score
- 2.8/10
- Access Vector
- Adjacent_network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 3.6/10
- Confidentiality Impact
- None
- Availability Impact
- High
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r1-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.3:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r1-s4:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.3:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r1-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos_os_evolved:20.3:r1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r3-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r2-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.2:r2-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:19.4:r1-s3:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos:20.1:r2:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s1:*:*:*:*:*:* |
Yes
|
- | - | |
| cpe:2.3:o:juniper:junos_os_evolved:20.3:-:*:*:*:*:*:* |
Yes
|
- | - |