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

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CVE-2022-22247

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
18/10/2022
Last modified:
20/10/2022

Description

An Improper Input Validation vulnerability in ingress TCP segment processing of Juniper Networks Junos OS Evolved allows a network-based unauthenticated attacker to send a crafted TCP segment to the device, triggering a kernel panic, leading to a Denial of Service (DoS) condition. Continued receipt and processing of this TCP segment could create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS Evolved: 21.3 versions prior to 21.3R3-EVO; 21.4 versions prior to 21.4R2-EVO; 22.1 versions prior to 22.1R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 21.3R1-EVO.

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

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:juniper:junos_os_evolved:21.3:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:21.3:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:21.3:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:21.3:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.1:r1:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools