CVE-2021-1434

Medium

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.

SeverityMedium
CVSS4.4
Exploit probability—
ProductCisco Ios Xe
PublishedMar 24, 2021
First seenMar 24, 2021
Weakness typeCWE-552CWE-552

How to fix

Affected products

ProductAffected versionsFixed in
cisco ios_xe16.11.1, 16.11.1a, 16.11.1b, 16.11.1c, 16.11.1s, 16.11.2, 16.12.1, 16.12.1a, 16.12.1c, 16.12.1s, 16.12.1t, 16.12.1w, 16.12.1x, 16.12.1y, 16.12.1z, 16.12.1za, 16.12.2, 16.12.2a, 16.12.2s, 16.12.2t, 16.12.3, 16.12.3a, 16.12.3s, 17.2.1, 17.2.1a, 17.2.1r, 17.2.1v—

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