CVE-2022-1040

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 99.80%
EPSS Percentile: 99.96%
CISA KEV: YES — Known Exploited Vulnerability

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.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: security-alert@sophos.com
Published: 25-Mar-2022 19:15
Last Modified: 17-Jun-2026 11:21
EPSS Date: 2026-10-11

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

CISA KEV Details

Date Added: 2022-03-31
Remediation Due: 2022-04-21
Known Ransomware Campaign Use: Unknown
Required Action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2022-1040

Affected Products / Versions

sophos / sfos
Version / affected range: * · through (inclusive) 18.5.3
cpe:2.3:o:sophos:sfos:*:*:*:*:*:*:*:*

References

Last enrichment sync: 12-Oct-2026 21:12
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE-2022-1040 Recorded Future Identifies 73 High-Impact Vulnerabilities in August, 70 Actively Exploited

CVE (71)

Malware (4)

Threat Actors (1)

Vendors (22)

Products (18)

Tools (7)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.