5
CVSSv2

CVE-2021-31374

Published: 19/10/2021 Updated: 25/10/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

On Juniper Networks Junos OS and Junos OS Evolved devices processing a specially crafted BGP UPDATE or KEEPALIVE message can lead to a routing process daemon (RPD) crash and restart, causing a Denial of Service (DoS). Continued receipt and processing of this message will create a sustained Denial of Service (DoS) condition. This issue affects both IBGP and EBGP deployments over IPv4 or IPv6. This issue affects: Juniper Networks Junos OS: 17.3 versions before 17.3R3-S11; 17.4 versions before 17.4R2-S13, 17.4R3-S4; 18.1 versions before 18.1R3-S12; 18.2 versions before 18.2R2-S8, 18.2R3-S7; 18.3 versions before 18.3R3-S4; 18.4 versions before 18.4R1-S8, 18.4R2-S7, 18.4R3-S7; 19.1 versions before 19.1R1-S6, 19.1R2-S2, 19.1R3-S4; 19.2 versions before 19.2R1-S6, 19.2R3-S1; 19.3 versions before 19.3R2-S5, 19.3R3-S1; 19.4 versions before 19.4R1-S4, 19.4R1-S4, 19.4R2-S3, 19.4R3-S1; 20.1 versions before 20.1R2; 20.2 versions before 20.2R2; 20.3 versions before 20.3R1-S1, 20.3R2. Juniper Networks Junos OS Evolved: 20.3 versions before 20.3R2-EVO.

Vulnerability Trend

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juniper junos 17.3

juniper junos 17.4

juniper junos 18.1

juniper junos 18.2

juniper junos 18.3

juniper junos 18.4

juniper junos 19.1

juniper junos 19.2

juniper junos 19.3

juniper junos 19.4

juniper junos 20.1

juniper junos 20.2

juniper junos 20.3

juniper junos os evolved 20.3