CVE-2020-12271

CriticalActively exploited (CISA KEV)Known to be used in ransomware campaigns

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)

SeverityCritical
CVSS9.8
Exploit probability—
ProductSophos SFOS
PublishedApr 27, 2020
First seenApr 27, 2020
Added to KEVNov 3, 2021
Weakness typeCWE-89SQL injection

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: May 3, 2022

Affected products

ProductAffected versionsFixed in
sophos sfos17.0, 17.1, 17.5, 18.0—

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