CVE-2021-26625 tobesoft Nexacro arbitrary file download vulnerability

High 8.8 Published Updated

Remote attackers can exploit insufficient input validation in the automatic update function to download and execute arbitrary malicious files.

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-2021-26625?

CVE-2021-26625 is a high-severity path traversal vulnerability in tobesoft Co.,Ltd Nexacro 17, published on 19 Apr 2022. 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

Insufficient Verification of input Data leading to arbitrary file download and execute was discovered in Nexacro platform. This vulnerability is caused by an automatic update function that does not verify input data except version information. Remote attackers can use this incomplete validation logic to download and execute arbitrary malicious file.

Weakness: CWE-345

Which versions are affected by CVE-2021-26625?

It affects 1 product.

Products include Tobesoft Nexacro.

How do I fix CVE-2021-26625?

No fix has been published for CVE-2021-26625 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-2021-26625 being exploited?

There is no known exploitation of CVE-2021-26625 in the wild and no public exploit code.

Sources

Also known as GHSA-26r2-6q54-995j.

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