CVE-2020-7247
OpenSMTPD Remote Code Execution Vulnerability
CVSS
—
No CVSS
EPSS
98.9%
p100
KEV
YES
Mar 25, 2022
Exploit Today
80
0-100
Published: — · Last modified: —
98.9%EPSS · 30 days99.0%
2026-06-302026-07-16
Product
OpenBSD / OpenSMTPD
Vulnerability
OpenSMTPD Remote Code Execution Vulnerability
Added to KEV
Mar 25, 2022
Remediate by
Apr 15, 2022
Known ransomware use
No
Summary description
smtp_mailaddr in smtp_session.c in OpenSMTPD, as used in OpenBSD and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session.
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-7247
No related CVEs by CWE or product.