CRITICALCVSS v3.1 9.8Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2020-12271

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).

Properties

Vulnerability name
Sophos SFOS SQL Injection Vulnerability
First seen
2025-10-21T23:35:45+00:00
Cvss score
9.8
Epss score
0.42434
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-05-03
Euvd assigner
mitre
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Score
9.8
Euvd base score version
3.0
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
10
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor project
Sophos

Related Entities (8)

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2020-12271 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal