Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-0236 | First vendor Publication | 2021-04-22 |
| Vendor | Cve | Last vendor Modification | 2021-04-27 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/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 | Network | Attack Complexity | Low |
| Privileges Required | Low | 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:N/AC:L/Au:S/C:N/I:N/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 6.8 | Attack Range | Network |
| Cvss Impact Score | 6.9 | Attack Complexity | Low |
| Cvss Expoit Score | 8 | Authentication | Requires single instance |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Due to an improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved the Routing Protocol Daemon (RPD) service, upon receipt of a specific matching BGP packet meeting a specific term in the flowspec configuration, crashes and restarts causing a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects only Multiprotocol BGP (MP-BGP) VPNv6 FlowSpec deployments. This issue affects: Juniper Networks Junos OS: 18.4 versions prior to 18.4R1-S8, 18.4R2-S7, 18.4R3-S7; 19.1 versions prior to 19.1R2-S2, 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S2; 19.3 versions prior to 19.3R3-S2; 19.4 versions prior to 19.4R2-S4, 19.4R3-S1; 20.1 versions prior to 20.1R2, 20.1R3; 20.2 versions prior to 20.2R2, 20.2R3; 20.3 versions prior to 20.3R1-S1, 20.3R2. Juniper Networks Junos OS Evolved: All versions after 18.4R1-EVO prior to 20.3R2-EVO. This issue does not affect: Juniper Networks Junos OS versions prior to 18.4R1. Juniper Networks Junos OS Evolved versions prior to 18.4R1-EVO. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0236 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-754 | Improper Check for Unusual or Exceptional Conditions |
CPE : Common Platform Enumeration
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://kb.juniper.net/JSA11131 |
Alert History
| Date | Informations |
|---|---|
| 2021-05-04 13:23:47 |
|
| 2021-04-27 21:23:11 |
|
| 2021-04-23 01:10:34 |
|
| 2021-04-23 01:10:29 |
|
