CVE-2021-1233 Cisco SD-WAN Information Disclosure Vulnerability

Medium 4.4 Published 20 Jan 2021 Updated 12 Nov 2024

An authenticated local attacker can exploit insufficient input validation in the iperf tool to read arbitrary files from the Cisco SD-WAN device filesystem.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-1233?

CVE-2021-1233 is a medium-severity path traversal vulnerability in Cisco Catalyst Sd-Wan Manager, published on 20 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to access sensitive information on an affected device. The vulnerability is due to insufficient input validation of requests that are sent to the iperf tool. An attacker could exploit this vulnerability by sending a crafted request to the iperf tool, which is included in Cisco SD-WAN Software. A successful exploit could allow the attacker to obtain any file from the filesystem of an affected device.

Weakness: CWE-20

Which versions are affected by CVE-2021-1233?

It affects 3 products.

Products include Cisco Catalyst Sd-Wan Manager, Cisco Sd-Wan Firmware, Cisco Sd-Wan Vbond Orchestrator.

How do I fix CVE-2021-1233?

No fix has been published for CVE-2021-1233 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2021-1233 being exploited?

There is no known exploitation of CVE-2021-1233 in the wild and no public exploit code.

All Cisco Catalyst Sd-Wan Manager vulnerabilities

Sources

Also known as GHSA-7p72-85j2-h9fw.