CVE-2021-26630 HANDY Groupware file download and execute vulnerability

High 7.8 Published Updated

Attackers can exploit improper input validation in the ActiveX module to download or execute arbitrary files on the victim's system.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-26630?

CVE-2021-26630 is a high-severity path traversal vulnerability in Handysoft Co.,Ltd HANDY Groupware, published on 19 May 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Improper input validation vulnerability in HANDY Groupware’s ActiveX moudle allows attackers to download or execute arbitrary files. This vulnerability can be exploited by using the file download or execution path as the parameter value of the vulnerable function.

Weakness: CWE-20

Which versions are affected by CVE-2021-26630?

It affects 1 product.

Products include Handysoft Groupware.

How do I fix CVE-2021-26630?

No fix has been published for CVE-2021-26630 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2021-26630 being exploited?

There is no known exploitation of CVE-2021-26630 in the wild and no public exploit code.

Sources

Also known as GHSA-cqff-mxpr-46m2.

Is CVE-2021-26630 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free