CVE-2020-8603 Cross-site scripting in Trend Micro InterScan Web Security Virtual Appliance

Medium 6.1 Published 27 May 2020 Updated 4 Aug 2024

Remote attackers can execute scripts in the web interface via XSS, requiring user interaction to tamper with the appliance.

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-2020-8603?

CVE-2020-8603 is a medium-severity cross-site scripting vulnerability in Trend Micro InterScan Web Security Virtual Appliance, published on 27 May 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 cross-site scripting vulnerability (XSS) in Trend Micro InterScan Web Security Virtual Appliance 6.5 may allow a remote attacker to tamper with the web interface of affected installations. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

Weakness: CWE-79

Which versions are affected by CVE-2020-8603?

It affects 1 product.

Products include Trendmicro Interscan Web Security Virtual Appliance.

How do I fix CVE-2020-8603?

No fix has been published for CVE-2020-8603 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-2020-8603 being exploited?

There is no known exploitation of CVE-2020-8603 in the wild and no public exploit code.

Sources

Also known as GHSA-mfvw-r6f7-mjcf.