CVE-2021-1438 Cisco Wide Area Application Services Software Information Disclosure Vulnerability

Medium 5.5 Published Updated

An authenticated local attacker can read arbitrary files on Cisco WAAS devices due to improper CLI command authorization.

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-2021-1438?

CVE-2021-1438 is a medium-severity vulnerability in Cisco Wide Area Application Services (WAAS), published on 6 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in Cisco Wide Area Application Services (WAAS) Software could allow an authenticated, local attacker to gain access to sensitive information on an affected device. The vulnerability is due to improper input validation and authorization of specific commands that a user can execute within the CLI. An attacker could exploit this vulnerability by authenticating to an affected device and issuing a specific set of commands. A successful exploit could allow the attacker to read arbitrary files that they originally did not have permissions to access.

Weakness: CWE-668

Which versions are affected by CVE-2021-1438?

It affects 1 product.

Products include Cisco Wide Area Application Services.

How do I fix CVE-2021-1438?

No fix has been published for CVE-2021-1438 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1438 being exploited?

There is no known exploitation of CVE-2021-1438 in the wild and no public exploit code.

Sources

Also known as GHSA-cw9v-q2h7-7x99.

Is CVE-2021-1438 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free