Actively exploited · Published Mar 25, 2022 · Assigned by Sophos

CVE-2022-1040

Critical 9.8 Exploited

In plain English

A critical-severity security flaw in Sophos Firewall from Sophos. Attackers are actively exploiting it in the wild (listed by CISA on March 31, 2022). The chance it is exploited in the next 30 days is estimated at 99.8% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)99.8%top 0.0% of all CVEs
Exploited in the wildYesCISA KEV since Mar 31, 2022
Attack tooling2Nuclei, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Apr 21, 2022.

Official description

An authentication bypass vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v18.5 MR3 and older.

Affected products (as reported)

VendorProductVersions
Sophos Sophos Firewall unspecified – through 18.5 MR3

References