CVE-2020-3811

PoC —

CVSS 3.1

7.5 high

EPSS

2%p77

Published

May 26, 2020 (May 26, 2020)

Modified

Jun 17, 2026

Description

qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.

Vendors: netqmail debian canonical
Products: netqmail, debian linux, ubuntu linux
Weakness: CWE-665, CWE-863
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.8%)

In the news1 stories

Vulnerability in Qmail mail transport agent allows RCE

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