ACTIVELY EXPLOITED
CVE-2020-12271: Sophos SFOS SQL Injection Vulnerability
| Vendor | Sophos |
|---|---|
| Product | SFOS |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Nov 2021 |
| CISA federal deadline | 3 May 2022 |
| Ransomware use | Known |
| Weakness (CWE) | CWE-89 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
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).
SOURCES
Other Sophos flaws
- CVE-2020-29574: CyberoamOS (CROS) SQL Injection Vulnerability
- CVE-2020-15069: Sophos XG Firewall Buffer Overflow Vulnerability
- CVE-2023-1671: Sophos Web Appliance Command Injection Vulnerability
- CVE-2022-3236: Sophos Firewall Code Injection Vulnerability
- CVE-2022-1040: Sophos Firewall Authentication Bypass Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.