CVE-2018-1000500 Security feature bypass in n/a

Medium 6.5 Published 26 Jun 2018 Updated 9 Jun 2025

BusyBox wget fails to validate SSL certificates, allowing attackers to execute arbitrary code via man-in-the-middle attacks on HTTPS downloads.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-1000500?

CVE-2018-1000500 is a medium-severity vulnerability in n/a, published on 26 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Busybox contains a Missing SSL certificate validation vulnerability in The "busybox wget" applet that can result in arbitrary code execution. This attack appear to be exploitable via Simply download any file over HTTPS using "busybox wget https://compromised-domain.com/important-file".

Weakness: CWE-295

Which versions are affected by CVE-2018-1000500?

It affects 1 product.

Products include Busybox Busybox.

How do I fix CVE-2018-1000500?

Apply the vendor's patch.

Is CVE-2018-1000500 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-1000500 exists.

Sources

Also known as ALPINE-CVE-2018-1000500, DEBIAN-CVE-2018-1000500, ECHO-76f9-203f-42fd, GHSA-248x-4c3j-hcg7, MGASA-2021-0009, UBUNTU-CVE-2018-1000500 and 1 more.