Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-0233

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
22/04/2021
Last modified:
20/09/2022

Description

A vulnerability in Juniper Networks Junos OS ACX500 Series, ACX4000 Series, may allow an attacker to cause a Denial of Service (DoS) by sending a high rate of specific packets to the device, resulting in a Forwarding Engine Board (FFEB) crash. Continued receipt of these packets will sustain the Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on ACX500 Series, ACX4000 Series: 17.4 versions prior to 17.4R3-S2.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:juniper:junos:17.4:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r1-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r1-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r1-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r1-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r1-s7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r2-s10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r2-s11:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.4:r2-s3:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools