CVE-2018-0686 File upload in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier)

High 8.8 Published 15 Nov 2018 Updated 5 Aug 2024

Remote authenticated attackers can upload and execute arbitrary files on Denbun mail servers, 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-2018-0686?

CVE-2018-0686 is a high-severity vulnerability in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier), published on 15 Nov 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote authenticated attackers to upload and execute any executable files via unspecified vectors.

Weakness: CWE-434

Which versions are affected by CVE-2018-0686?

It affects 2 products.

Products include Neo Debun Imap, Neo Debun Pop.

How do I fix CVE-2018-0686?

No fix has been published for CVE-2018-0686 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-0686 being exploited?

There is no known exploitation of CVE-2018-0686 in the wild and no public exploit code.

Sources

Also known as GHSA-pm8w-gmc4-2w2j.