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CVE-2020-12271: Sophos SFOS SQL Injection Vulnerability
Sophos SFOS · in CISA KEV since 2021-11-03
2021-11-03added to KEV
2022-05-03federal remediation due date
42.43%EPSS exploit probability (30 days) 98.6th percentile
9.8 CRITICALCVSS 3.1
Knownknown ransomware use
555days from NVD publication to KEV
What it is
Sophos Firewall operating system (SFOS) firmware contains a SQL injection vulnerability when configured with either the administration (HTTPS) service or the User Portal is exposed on the WAN zone. Successful exploitation may cause remote code execution to exfiltrate usernames and hashed passwords for the local device admin(s), portal admins, and user accounts used for remote access (but not external Active Directory or LDAP passwords).
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-89 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2020-04-27 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2020-12271.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.