CVE-2020-20287 File upload in n/a

Critical 9.8 Published 1 Feb 2021 Updated 4 Aug 2024

Attackers can upload malicious files to the yccms web application to achieve remote code execution due to improper input validation.

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-2020-20287?

CVE-2020-20287 is a critical vulnerability in n/a, published on 1 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unrestricted file upload vulnerability in the yccms 3.3 project. The xhUp function's improper judgment of the request parameters, triggers remote code execution.

Weakness: CWE-434

Which versions are affected by CVE-2020-20287?

It affects 1 product.

Products include Yccms Yccms.

How do I fix CVE-2020-20287?

No fix has been published for CVE-2020-20287 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-20287 being exploited?

There is no known exploitation of CVE-2020-20287 in the wild and no public exploit code.

Sources

Also known as GHSA-2fqw-v698-338m.