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

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CVE-2022-22156

Severity CVSS v4.0:
Pending analysis
Type:
CWE-295 Improper Certificate Validation
Publication date:
19/01/2022
Last modified:
26/01/2022

Description

An Improper Certificate Validation weakness in the Juniper Networks Junos OS allows an attacker to perform Person-in-the-Middle (PitM) attacks when a system script is fetched from a remote source at a specified HTTPS URL, which may compromise the integrity and confidentiality of the device. The following command can be executed by an administrator via the CLI to refresh a script from a remote location, which is affected from this vulnerability: >request system scripts refresh-from (commit | event | extension-service | op | snmp) file filename url This issue affects: Juniper Networks Junos OS All versions prior to 18.4R2-S9, 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R2-S1, 20.3R3; 20.4 versions prior to 20.4R2; 21.1 versions prior to 21.1R1-S1, 21.1R2.

Impact

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

Base Score: 7.40 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

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

Base Score 3.x
7.40
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

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

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* 18.3 (including)
cpe:2.3:o:juniper:junos:18.4:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r1-s7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:18.4:r2-s4:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools