CVE-2020-2036 PAN-OS: Reflected Cross-Site Scripting (XSS) vulnerability in management web interface

High 8.8 Published Updated

Remote attackers can execute arbitrary JavaScript in an administrator's browser via a crafted link, potentially leading to administrative actions on the firewall.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-2036?

CVE-2020-2036 is a high-severity cross-site scripting vulnerability in Paloaltonetworks Pan-Os, published on 9 Sep 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A reflected cross-site scripting (XSS) vulnerability exists in the PAN-OS management web interface. A remote attacker able to convince an administrator with an active authenticated session on the firewall management interface to click on a crafted link to that management web interface could potentially execute arbitrary JavaScript code in the administrator's browser and perform administrative actions. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.16; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9.

Weakness: CWE-79

Which versions are affected by CVE-2020-2036?

It affects 1 product.

Products include Paloaltonetworks Pan-Os.

How do I fix CVE-2020-2036?

No fix has been published for CVE-2020-2036 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2020-2036 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-2036 exists.

Public exploit code: 1 Nuclei template.

All Paloaltonetworks Pan-Os vulnerabilities

Sources

Also known as GHSA-qc34-jwcm-8qfc.

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