# CVE-2020-12271: Sophos SFOS SQL Injection Vulnerability

> CVE-2020-12271: Sophos SFOS SQL Injection Vulnerability. CVSS 10.0 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2020-12271
Last updated: 2025-10-21T23:35:45Z

- Published: 2020-04-27 04:00 UTC · Updated: 2025-10-21 23:35 UTC · Assigner: mitre
- CVSS: 10.0 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N
- EPSS: 42.4%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Known

## 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)

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Sophos: SFOS

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2020-12271)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2020-12271)
- [https://community.sophos.com/kb/en-us/135412](https://community.sophos.com/kb/en-us/135412)
- [https://cwe.mitre.org/data/definitions/89.html](https://cwe.mitre.org/data/definitions/89.html)
- [https://news.sophos.com/en-us/2020/04/26/asnarok/](https://news.sophos.com/en-us/2020/04/26/asnarok/)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2020-12271 · Markdown: https://rewindex.com/cve/CVE-2020-12271.md · JSON: https://rewindex.com/api/v1/cves/CVE-2020-12271 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:13:36.792Z