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Vulnerability record · CVE-2018-1000500 · published 26 June 2018

CVE-2018-1000500: Busybox improper certificate validation vulnerability

Busybox · Busybox

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".

8.1 CVSS 3.1 High EPSS 2.5% · top 16.2% CWE-295 · Improper certificate validation
8.1CVSS 3.1 base score, v2 6.8
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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".

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.busybox.net/pipermail/busybox/2018-May/086462.html Mailing ListVendor Advisory
https://git.busybox.net/busybox/commit/?id=45fa3f18adf57ef9d743038743d9c90573aeeb91 PatchVendor Advisory
https://usn.ubuntu.com/4531-1/
http://lists.busybox.net/pipermail/busybox/2018-May/086462.html Mailing ListVendor Advisory
https://git.busybox.net/busybox/commit/?id=45fa3f18adf57ef9d743038743d9c90573aeeb91 PatchVendor Advisory
https://usn.ubuntu.com/4531-1/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-1000500), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.