CVE-2020-7247 | OpenSMTPD 6.6 SMTP Session smtp_session.c MAIL FROM return value (ID 156137 / EDB-47984)
A vulnerability, which was classified as very critical, was found in OpenSMTPD 6.6. This affects an unknown part of the file smtp_session.c of the component SMTP Session Handler. The manipulation of the argument MAIL FROM as part of Shell Metacharacter leads to unchecked return value.
This vulnerability is uniquely identified as CVE-2020-7247. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.