Vulnerability Monitor

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CVE-2021-1432

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system as the root user. The attacker must be authenticated on the affected device as a low-privileged user to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by injecting arbitrary commands to a file as a lower-privileged user. The commands are then executed on the device by the root user. A successful exploit could allow the attacker to execute arbitrary commands as the root user.

Published

2021-03-24T20:15:14.510

Last Modified

2024-11-21T05:44:21.037

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.3 (HIGH)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.4

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    CWE-74
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xe 3.15.1xbs Yes
Operating System cisco ios_xe 3.15.2xbs Yes
Operating System cisco ios_xe 16.12.1 Yes
Operating System cisco ios_xe 16.12.1a Yes
Operating System cisco ios_xe 16.12.1c Yes
Operating System cisco ios_xe 16.12.1s Yes
Operating System cisco ios_xe 16.12.1t Yes
Operating System cisco ios_xe 16.12.1w Yes
Operating System cisco ios_xe 16.12.1x Yes
Operating System cisco ios_xe 16.12.1y Yes
Operating System cisco ios_xe 16.12.1z Yes
Operating System cisco ios_xe 16.12.1za Yes
Operating System cisco ios_xe 16.12.2 Yes
Operating System cisco ios_xe 16.12.2a Yes
Operating System cisco ios_xe 16.12.2s Yes
Operating System cisco ios_xe 16.12.2t Yes
Operating System cisco ios_xe 16.12.3 Yes
Operating System cisco ios_xe 16.12.3a Yes
Operating System cisco ios_xe 16.12.3s Yes
Operating System cisco ios_xe 16.12.4 Yes
Operating System cisco ios_xe 16.12.4a Yes
Operating System cisco ios_xe 17.2.1 Yes
Operating System cisco ios_xe 17.2.1a Yes
Operating System cisco ios_xe 17.2.1r Yes
Operating System cisco ios_xe 17.2.1v Yes
Operating System cisco ios_xe_sd-wan * Yes
References