CVE-2021-1432

Cisco IOS XE SD-WAN Software Arbitrary Command Execution Vulnerability

Published Mar 24, 2021 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-6899 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.
History
Type Values Removed Values Added
CPEs cpe:2.3:o:cisco:ios_xe_sd-wan:*:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xe_sd-wan:-:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisco
Published
Updated
Nov 8, 2024, 11:36 PM
Reserved
Nov 13, 2020, 12:00 AM
Status
Analyzed
Published
Mar 24, 2021, 8:15 PM
Modified
Oct 7, 2026, 10:52 AM