CVE-2020-12271

9.8 CRITICAL CISA KEV - Actively Exploited
Published: April 27, 2020 Modified: November 07, 2025

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)

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://community.sophos.com/kb/en-us/135412
Source: cve@mitre.org
Vendor Advisory
https://cwe.mitre.org/data/definitions/89.html
Source: cve@mitre.org
Third Party Advisory
https://news.sophos.com/en-us/2020/04/26/asnarok/
Source: cve@mitre.org
Exploit Vendor Advisory
https://community.sophos.com/kb/en-us/135412
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://cwe.mitre.org/data/definitions/89.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://news.sophos.com/en-us/2020/04/26/asnarok/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-12271
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
88.5%
99th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-05-03

Weaknesses (CWE)

Affected Vendors

sophos