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CVE-2021-0250

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CVE-2021-0250

Published: Apr 22, 2021

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

In segment routing traffic engineering (SRTE) environments where the BGP Monitoring Protocol (BMP) feature is enable, a vulnerability in the Routing Protocol Daemon (RPD) process of Juniper Networks Junos OS allows an attacker to send a specific crafted BGP update message causing the RPD service to core, creating a Denial of Service (DoS) Condition. Continued receipt and processing of this update message will create a sustained Denial of Service (DoS) condition. This issue affects IPv4 and IPv6 environments. This issue affects: Juniper Networks Junos OS 17.4 versions 17.4R1 and above prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R2-S6, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R1-S5, 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2; 19.2 versions prior to 19.2R1-S3, 19.2R2, This issue does not affect Junos OS releases prior to 17.4R1. This issue affects: Juniper Networks Junos OS Evolved 19.2-EVO versions prior to 19.2R2-EVO.

VendorProductVersions

Juniper Networks

Junos OS

affected
17.4R1 - < unspecified
affected
17.4 - < 17.4R2-S6, 17.4R3
affected
18.1 - < 18.1R3-S7
affected
18.2 - < 18.2R2-S6, 18.2R3-S3
affected
18.3 - < 18.3R1-S7, 18.3R2-S3, 18.3R3

+3 more versions

Juniper Networks

Junos OS Evolved

affected
19.2-EVO - < 19.2R2-EVO

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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