CVE-2020-2041 PAN-OS: Management web interface denial-of-service (DoS)

High 7.5 Published Updated

Remote unauthenticated attackers can crash the management interface and force device restarts into maintenance mode, causing denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-2041?

CVE-2020-2041 is a high-severity denial of service vulnerability in Paloaltonetworks Pan-Os, published on 9 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An insecure configuration of the appweb daemon of Palo Alto Networks PAN-OS 8.1 allows a remote unauthenticated user to send a specifically crafted request to the device that causes the appweb service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts all versions of PAN-OS 8.0, and PAN-OS 8.1 versions earlier than 8.1.16.

Weakness: CWE-16

Which versions are affected by CVE-2020-2041?

It affects 1 product.

Products include Paloaltonetworks Pan-Os.

How do I fix CVE-2020-2041?

No fix has been published for CVE-2020-2041 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-2041 being exploited?

There is no known exploitation of CVE-2020-2041 in the wild and no public exploit code.

All Paloaltonetworks Pan-Os vulnerabilities

Sources

Also known as GHSA-6895-cxrm-x3p4.

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