CVE-2021-1546 Cisco SD-WAN Software Information Disclosure Vulnerability

Medium 5.5 Published 23 Sep 2021 Updated 7 Nov 2024

An authenticated local attacker can read arbitrary files via CLI commands, potentially exposing sensitive information in Cisco SD-WAN deployments.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-1546?

CVE-2021-1546 is a medium-severity vulnerability in Cisco Catalyst Sd-Wan Manager, published on 23 Sep 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. This vulnerability is due to improper protections on file access through the CLI. An attacker could exploit this vulnerability by running a CLI command that targets an arbitrary file on the local system. A successful exploit could allow the attacker to return portions of an arbitrary file, possibly resulting in the disclosure of sensitive information.

Weakness: CWE-209

Which versions are affected by CVE-2021-1546?

It affects 12 products.

Products include Cisco Catalyst Sd-Wan Manager, Cisco Sd-Wan Vbond Orchestrator, Cisco Sd-Wan Vmanage, Cisco Vedge 1000 Firmware, Cisco Vedge 100 Firmware, Cisco Vedge 100b Firmware and 6 more.

How do I fix CVE-2021-1546?

No fix has been published for CVE-2021-1546 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1546 being exploited?

There is no known exploitation of CVE-2021-1546 in the wild and no public exploit code.

All Cisco Catalyst Sd-Wan Manager vulnerabilities

Sources

Also known as GHSA-f3w5-f4c4-r3fc.