CVE-2024-42453 Missing authorization in Backup & Replication

High 7.4 Published 4 Dec 2024 Updated 4 Dec 2024

Low-privileged users can modify virtual infrastructure configurations, causing denial of service and data integrity issues due to improper permission checks.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-42453?

CVE-2024-42453 is a high-severity missing authorization vulnerability in Veeam Backup & Replication, published on 4 Dec 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability Veeam Backup & Replication allows low-privileged users to control and modify configurations on connected virtual infrastructure hosts. This includes the ability to power off virtual machines, delete files in storage, and make configuration changes, potentially leading to Denial of Service (DoS) and data integrity issues. The vulnerability is caused by improper permission checks in methods accessed via management services.

Weakness: CWE-862

Which versions are affected by CVE-2024-42453?

It affects 1 product.

Products include Veeam Veeam Backup \& Replication.

How do I fix CVE-2024-42453?

No fix has been published for CVE-2024-42453 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-2024-42453 being exploited?

There is no known exploitation of CVE-2024-42453 in the wild and no public exploit code.

Sources

Also known as GHSA-78w4-wf5r-hgxq.