CVE-2020-12063

score

<0.1

cvss

5.3

epss

0.9%

published

2020-04-24

kev added

—

first seen

2026-10-21

Postfix 2.10.1-7 contains a homoglyph spoofing vulnerability caused by similarity of certain Unicode characters to ASCII characters in sender addresses, letting attackers send emails with spoofed sender addresses when /etc/postfix/sender_login is used, exploit requires attacker to craft homoglyph sender addresses.