CVE-2020-12271: Sophos SFOS SQL Injection Vulnerability

CVE-2020-12271 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2021-11-03

Sophos Firewall operating system (SFOS) firmware contains a SQL injection vulnerability in the administration (HTTPS) service and User Portal when exposed on the WAN zone. Successful exploitation allows for remote code execution and the exfiltration of usernames and hashed passwords for local administrators and remote access users.

Vendors: Sophos.

Quick answers

Is CVE-2020-12271 exploited in the wild?
Yes. CVE-2020-12271 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2020-12271?
Critical severity, with a CVSS score of 9.8, published 3 November 2021.
Which products and versions are affected?
Sophos SFOS (Sophos Firewall Operating System) 17.0, 17.1, 17.5, and 18.0 before 2020-04-25; Sophos XG Firewall.
Is there a fix for CVE-2020-12271?
A patch was published on 2020-04-25: Fix released for SFOS versions. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2020-12271 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2020-12271?
Check whether you run Sophos Sfos. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Sophos SFOS (Sophos Firewall Operating System) 17.0, 17.1, 17.5, and 18.0 before 2020-04-25
  • Sophos XG Firewall

Timeline

  • 2020-04-25: patched: Fix released for SFOS versions.
  • 2020-04-26: advisory: Sophos published 'Asnarok' advisory.
  • 2020-04-27: disclosed: CVE description updated to reflect exploitation.
  • 2020-04-01: exploited: Exploited in the wild in April 2020.
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

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