CVE-2022-1040
CriticalPublished
Sophos Firewall Authentication Bypass Vulnerability
- Published
- Mar 25, 2022
- Updated
- Oct 21, 2025
- Assigning CNA
- Sophos
- Evidence observed
- Mar 31, 2022
Primary CVSS
9.8/ 10Critical
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H99.8%
High · next 30 days
- Percentile
- 100.0%
- Model date
- Oct 15, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
Repository evidence: Files: 1 · Repositories: 1
1 Template
http/cves/2022/CVE-2022-1040.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: status,word($.matchers[*].type)
- cve-2022-1040Exploit
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CVE-2022-1040
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