CVE-2021-1382 Detail

Current Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root privileges.

View Analysis Description

Analysis Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root privileges.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-77 Improper Neutralization of Special Elements used in a Command (‘Command Injection’) Cisco Systems, Inc.  

Change History

2 change records found show changes

Initial Analysis 3/29/2021 6:45:01 PM

Action Type Old Value New Value
Added CPE Configuration
OR
     *cpe:2.3:o:cisco:ios_xe:17.3.1:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:17.3.1a:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:17.3.1w:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:17.3.1x:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:17.3.2:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:17.3.2a:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:17.4.1:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:17.4.1a:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:17.4.1b:*:*:*:*:*:*:*
Added CVSS V2
NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Added CVSS V3.1
NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Changed Reference Type
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwcinj-t68PPW7m No Types Assigned
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwcinj-t68PPW7m Vendor Advisory

CVE Modified by Cisco Systems, Inc. 3/24/2021 5:15:12 PM

Action Type Old Value New Value
Changed Description Record truncated, showing 500 of 594 characters.
View Entire Change Record

 A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root privileges on the underlying operating system.
 This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected comma
Record truncated, showing 500 of 589 characters.
View Entire Change Record

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands

Quick Info

CVE Dictionary Entry:
CVE-2021-1382
NVD Published Date:
03/24/2021
NVD Last Modified:
03/29/2021
Source:
Cisco Systems, Inc.