In older versions of Sendmail, an attacker could use a pipe character to execute root commands.
https://www.cve.org/CVERecord?id=CVE-1999-0163
Source: Mitre, NVD
Published: 1997-01-01
Updated: 2022-08-17
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
