Skip to main content
CISA Known Exploited Vulnerabilities

Sophos SFOS SQL Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2021-11-03
Remediation due
2022-05-03
Ransomware
Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2020-12271

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)

Severity

CVSS 3.0 · CNA10 CRITICAL
CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N
SSVC · CISA-ADP
Exploitationactive
Automatableyes
Technical impacttotal

Exploitation Context

as of October 14, 2026
All KEV statistics→
  • CISA added CVE-2020-12271 to the KEV catalog 555 days after its CVE record was published.
  • It is one of 7 Sophos entries in the CISA KEV catalog, and the only one added in 2021.
  • Its current EPSS score (42.4%) is higher than that of 47% of CISA KEV entries.

Affected Products

ProductAffected versions
-
n/a

References

3 Links

Record Details

Published
2020-04-27
Last updated
2025-10-21
Assigner (CNA)
mitre
Credited to
-

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.