CVSS v3
9.8
CRITICAL
EPSS Score
88.1%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerability affects the client side of OpenSMTPD, it is possible to attack a server because the server code launches the client code during bounce handling.
OpenSMTPD before 6.6.4 allows remote code execution because of an out-of-bounds read in mta_io in mta_session.c for multi-line replies. Although this vulnerability affects the client side of OpenSMTPD, it is possible to attack a server because the server code launches the client code during bounce handling.
Active exploitation of CVE-2020-8794 has not been confirmed. The EPSS score is 88.1%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2020-8794 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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Ranked by exploit probability (EPSS).