Coverage › CVE-2020-7247
CVE-2020-7247 Unmapped
OpenSMTPD Remote Code Execution Vulnerability
- Vendor / product
- OpenBSD — OpenSMTPD
- Description (CISA)
- 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.
- Added to KEV
- 2022-03-25
- Due date
- 2022-04-15
- Required action
- Apply updates per vendor instructions.
- Known ransomware use
- Unknown
- CWE
- CWE-755, CWE-78
- CISA notes
- https://nvd.nist.gov/vuln/detail/CVE-2020-7247
- Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2020-7247. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-755, CWE-78) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.