CVE-2020-7847 File upload in ipTIME NAS

High 7.4 Published Updated

Attackers can upload arbitrary files to the ipTIME NAS bulletin feature to achieve remote code execution.

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

What is CVE-2020-7847?

CVE-2020-7847 is a high-severity vulnerability in EFM Networks ipTIME NAS, published on 23 Feb 2021. 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

The ipTIME NAS product allows an arbitrary file upload vulnerability in the Manage Bulletins/Upload feature, which can be leveraged to gain remote code execution. This issue affects: pTIME NAS 1.4.36.

Weakness: CWE-434

Which versions are affected by CVE-2020-7847?

It affects 9 products.

Products include Iptime Nas-I Firmware, Iptime Nas-Ii Firmware, Iptime Nas-Iie Firmware, Iptime Nas101 Firmware, Iptime Nas1dual Firmware, Iptime Nas2dual Firmware and 3 more.

How do I fix CVE-2020-7847?

No fix has been published for CVE-2020-7847 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-7847 being exploited?

There is no known exploitation of CVE-2020-7847 in the wild and no public exploit code.

Sources

Also known as GHSA-vwm9-4mjh-m96x.

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