CVE-2024-21805 Missing authorization in SKYSEA Client View

High 7.8 Published 12 Mar 2024 Updated 5 Aug 2024

A local attacker can place a malicious DLL in a specific folder to execute arbitrary code with SYSTEM privileges on the client machine.

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-2024-21805?

CVE-2024-21805 is a high-severity missing authorization vulnerability in SKYSEA Client View, published on 12 Mar 2024. 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 access control vulnerability exists in the specific folder of SKYSEA Client View versions from Ver.16.100 prior to Ver.19.2. If this vulnerability is exploited, an arbitrary file may be placed in the specific folder by a user who can log in to the PC where the product's Windows client is installed. In case the file is a specially crafted DLL file, arbitrary code may be executed with SYSTEM privilege.

Weakness: CWE-284

Which versions are affected by CVE-2024-21805?

It affects 1 product.

Products include Skygroup Skysea Client View.

How do I fix CVE-2024-21805?

No fix has been published for CVE-2024-21805 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2024-21805 being exploited?

There is no known exploitation of CVE-2024-21805 in the wild and no public exploit code.

Sources

Also known as GHSA-7rf7-fr54-x6c7.