CVE-2020-8465 Auth bypass in Trend Micro InterScan Web Security Virtual Appliance

Critical 9.8 Published 17 Dec 2020 Updated 4 Aug 2024

Attackers can execute code as root by combining CSRF and authentication bypass flaws in Trend Micro InterScan Web Security Virtual Appliance.

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-2020-8465?

CVE-2020-8465 is a critical authentication bypass vulnerability in Trend Micro InterScan Web Security Virtual Appliance, published on 17 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an attacker to manipulate system updates using a combination of CSRF bypass (CVE-2020-8461) and authentication bypass (CVE-2020-8464) to execute code as user root.

Weakness: CWE-352, CWE-287

Which versions are affected by CVE-2020-8465?

It affects 1 product.

Products include Trendmicro Interscan Web Security Virtual Appliance.

How do I fix CVE-2020-8465?

No fix has been published for CVE-2020-8465 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-8465 being exploited?

There is no known exploitation of CVE-2020-8465 in the wild and no public exploit code.

Sources

Also known as GHSA-r78c-53rf-ghjm.