Is CVE-2020-12271 actively exploited?

CVE-2020-12271 has no public evidence of in-the-wild exploitation as of 2025-11-07.

What is the CVSS score for CVE-2020-12271?

CVE-2020-12271 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2020-12271?

Patch guidance is available from sophos security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-12271.

Fix CVE-2020-12271 - CRITICAL sophos sfos

Q: Which products are affected by CVE-2020-12271?

4 products: sophos sfos, sophos sfos, sophos sfos, sophos sfos.

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)

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-89 · SQL Injection CWE-89 · SQL Injection

Metadata

Primary Vendor: SOPHOS
Published: 4/27/2020
Last Modified: 11/7/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2020-12271

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary