CVE-2018-12979 File upload in n/a

Medium 6.5 Published 12 Jul 2018 Updated 5 Aug 2024

Authenticated attackers can overwrite critical files via unrestricted file upload in WAGO e!DISPLAY devices, potentially leading to code execution.

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-2018-12979?

CVE-2018-12979 is a medium-severity vulnerability in n/a, published on 12 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue was discovered on WAGO e!DISPLAY 762-3000 through 762-3003 devices with firmware before FW 02. Weak permissions allow an authenticated user to overwrite critical files by abusing the unrestricted file upload in the WBM.

Weakness: CWE-732

Which versions are affected by CVE-2018-12979?

It affects 4 products.

Products include Wago 762-3000 Firmware, Wago 762-3001 Firmware, Wago 762-3002 Firmware, Wago 762-3003 Firmware.

How do I fix CVE-2018-12979?

No fix has been published for CVE-2018-12979 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-12979 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-12979 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-7373-xjj5-q36p.