Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-1434

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
24/03/2021
Last modified:
07/11/2023

Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system. This vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of any arbitrary file that resides on the underlying host file system.

Impact

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

Base Score: 6.00 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

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

Base Score 3.x
6.00
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:C/A:C

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

Base Score 2.0
6.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1w:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1x:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1y:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1z:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools