CVE-2021-3036 PAN-OS: Administrator secrets are logged in web server logs when using the PAN-OS XML API incorrectly

Medium 4.4 Published 20 Apr 2021 Updated 17 Sep 2024

Administrators' credentials are exposed in cleartext logs when the PAN-OS XML API is used incorrectly with duplicate parameters.

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-2021-3036?

CVE-2021-3036 is a medium-severity vulnerability in Paloaltonetworks Pan-Os, published on 20 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An information exposure through log file vulnerability exists in Palo Alto Networks PAN-OS software where secrets in PAN-OS XML API requests are logged in cleartext to the web server logs when the API is used incorrectly. This vulnerability applies only to PAN-OS appliances that are configured to use the PAN-OS XML API and exists only when a client includes a duplicate API parameter in API requests. Logged information includes the cleartext username, password, and API key of the administrator making the PAN-OS XML API request.

Weakness: CWE-532

Which versions are affected by CVE-2021-3036?

It affects 1 product.

Products include Paloaltonetworks Pan-Os.

How do I fix CVE-2021-3036?

No fix has been published for CVE-2021-3036 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-3036 being exploited?

There is no known exploitation of CVE-2021-3036 in the wild and no public exploit code.

All Paloaltonetworks Pan-Os vulnerabilities

Sources

Also known as GHSA-r794-wg43-vp3f.