CVE-2021-1435 Detail

Current Description

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to inject arbitrary commands that can be executed as the root user. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to the web UI of an affected device with arbitrary commands injected into a portion of the request. A successful exploit could allow the attacker to execute arbitrary commands as the root user.

View Analysis Description

Analysis Description

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to inject arbitrary commands that can be executed as the root user. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to the web UI of an affected device with arbitrary commands injected into a portion of the request. A successful exploit could allow the attacker to execute arbitrary commands as the root user.

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-22 Improper Limitation of a Pathname to a Restricted Directory (‘Path Traversal’) Cisco Systems, Inc.  

Change History

2 change records found show changes

Initial Analysis 3/29/2021 4:3:08 PM

Action Type Old Value New Value
Added CPE Configuration Record truncated, showing 500 of 1844 characters.
View Entire Change Record

OR
     *cpe:2.3:o:cisco:ios_xe:16.9.1:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.9.1a:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.9.1b:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.9.1c:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.9.1d:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.9.1s:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.9.2:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.9.2a:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.9.2s:*:*:*:*:*:*:*
     *cpe:2.3:o:cisco:ios_xe:16.9.3:*:*:
Added CVSS V2
NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C)
Added CVSS V3.1
NIST AV:N/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-iosxe-webcmdinjsh-UFJxTgZD No Types Assigned
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webcmdinjsh-UFJxTgZD Vendor Advisory

CVE Modified by Cisco Systems, Inc. 3/24/2021 5:15:13 PM

Action Type Old Value New Value
Changed Description Record truncated, showing 500 of 501 characters.
View Entire Change Record

 A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to inject arbitrary commands that can be executed as the root user.
 This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to the web UI of an affected device with arbitrary commands injected into a portion of the request. A successful exploit could allow the attacker to execute arbitrary commands as the root user.
A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to inject arbitrary commands that can be executed as the root user. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to the web UI of an affected device with arbitrary commands injected into a portion of the request. A successful exploit could allow the attacker to execute arbitrary commands as the root user.

Quick Info

CVE Dictionary Entry:
CVE-2021-1435
NVD Published Date:
03/24/2021
NVD Last Modified:
03/29/2021
Source:
Cisco Systems, Inc.