CVE-2020-12271 | A SQL injection issue was found in SFOS 17.0, 17.1, 17.5, an… | CVSS 10.0 CRITICAL

Description

A SQL injection issue was found in SFOS 17.0, 17.1, 17.5, and 18.0 before 2020-04-25 on Sophos XG Firewall devices, as exploited in the wild in April 2020. This affected devices configured with either the administration (HTTPS) service or the User Portal exposed on the WAN zone. A successful attack may have caused remote code execution that exfiltrated 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)

Metadata

CVE ID: CVE-2020-12271
State: PUBLISHED
Assigner: mitre
Reserved: 2020-04-27 00:00 UTC
Published: 2020-04-27 04:00 UTC
Last updated: 2025-10-21 23:35 UTC
Primary CWE: CWE-89
CWE-89 Improper Neutralization of Special Elements used in a…
Vendor / Product: n/a / n/a
Sources: cve.org · NVD

Severity & Metrics

10.0 CRITICAL CVSS 3.0

CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N

SSVC — CISA Coordinator

Exploitation: ACTIVE
Automatable: yes
Tech. Impact: total

CISA Known Exploited Vulnerability

Vulnerability name: Sophos SFOS SQL Injection Vulnerability
Vendor: Sophos
Product: SFOS
Added to KEV: 2021-11-03
Due date: 2022-05-03
Ransomware: Known use

Required action

Apply updates per vendor instructions.

CISA description

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).

Affected products (1)

Vendor	Product	Platform	Versions
n/a	n/a	—	n/a

Weakness (CWE)

CWE	Source	Description
—	cna	n/a
CWE-89	adp	CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS scores (1)

Score	Severity	Version	Source	Vector
10.0	CRITICAL	3.0	cna	CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N

References (3)