CVE-2020-3953 Cross-site scripting in VMware vRealize Log Insight

Medium 4.8 Published 15 Apr 2020 Updated 4 Aug 2024

An attacker can execute arbitrary scripts in the victim's browser via improper input validation in VMware vRealize Log Insight.

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

What is CVE-2020-3953?

CVE-2020-3953 is a medium-severity cross-site scripting vulnerability in VMware vRealize Log Insight, published on 15 Apr 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting (XSS) vulnerability exists in VMware vRealize Log Insight prior to 8.1.0 due to improper Input validation.

Weakness: CWE-79, CWE-20

Which versions are affected by CVE-2020-3953?

It affects 1 product.

Products include Vmware Vrealize Log Insight.

How do I fix CVE-2020-3953?

No fix has been published for CVE-2020-3953 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-2020-3953 being exploited?

There is no known exploitation of CVE-2020-3953 in the wild and no public exploit code.

Sources

Also known as GHSA-5jp2-26h4-r89j.