Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-0287 | First vendor Publication | 2021-07-15 |
| Vendor | Cve | Last vendor Modification | 2021-10-25 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 6.5 | ||
| Base Score | 6.5 | Environmental Score | 6.5 |
| impact SubScore | 3.6 | Temporal Score | 6.5 |
| Exploitabality Sub Score | 2.8 | ||
| Attack Vector | Adjacent | Attack Complexity | Low |
| Privileges Required | None | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | None |
| Integrity Impact | None | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:A/AC:M/Au:N/C:N/I:N/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 5.7 | Attack Range | Adjacent network |
| Cvss Impact Score | 6.9 | Attack Complexity | Medium |
| Cvss Expoit Score | 5.5 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| 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. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0287 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-754 | Improper Check for Unusual or Exceptional Conditions |
CPE : Common Platform Enumeration
Sources (Detail)
| Source | Url |
|---|---|
| CONFIRM | https://kb.juniper.net/JSA11189 |
Alert History
| Date | Informations |
|---|---|
| 2021-10-25 21:23:08 |
|
| 2021-10-23 17:23:04 |
|
| 2021-07-28 00:22:52 |
|
| 2021-07-16 00:22:46 |
|
