CVE-2020-7247

critical KEV

Published 2022-03-25 · Modified 2022-03-25

CVSS v3

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CVSS v2

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VIR risk

10.0

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.

CISA KEV

Vendor: OpenBSD
Product: OpenSMTPD
Due date: 2022-04-15

Predictions

Exploit likelihood

99%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://nvd.nist.gov/vuln/detail/CVE-2020-7247

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-7247

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202001-6

Exploits

OS impact

OS	Version	Status	Fixed in
arch		fixed	`6.6.2p1-1`
debian	bookworm	fixed	`6.6.2p1-1`
debian	bullseye	fixed	`6.6.2p1-1`
debian	forky	fixed	`6.6.2p1-1`
debian	sid	fixed	`6.6.2p1-1`
debian	trixie	fixed	`6.6.2p1-1`

References

Verify integrity in audit chain (admin only). AS-IS.