A vulnerability, which was classified as critical, has been found in Cisco FXOS (the affected version unknown). This issue affects an unknown part of the component CLI. The manipulation as part of a Argument leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted arguments to a specific CLI command. A successful exploit could allow the attacker to read or write to arbitrary files on the underlying OS.

The weakness was published 02/26/2020 as cisco-sa-20200226-fxos-cli-fil as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2020-3166 since 12/12/2019. An attack has to be approached locally. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

Similar entry is available at VDB-150548.

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• Cisco

Name

• FXOS

License

• commercial

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• 🔍

CPE 2.2info

• 🔍

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