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← All CVEs
CVE Watch—

CVE-2020-7247

OpenSMTPD Remote Code Execution Vulnerability

CVSS

—

No CVSS

EPSS

99.0%

p100

KEV

YES

Mar 25, 2022

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d
99.0%EPSS · 30 days99.0%
2026-09-162026-10-14
KEV catalog record

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

Related CVEs

No related CVEs by CWE or product.