Security readout for executives and security teams
CVE-2022-1040 lets an unauthenticated remote attacker bypass login on Sophos Firewall User Portal and Webadmin and execute code. For executives, this is critical because a firewall is a perimeter control; compromise can affect confidentiality, integrity, and availability. CISA KEV listing supports that exploitation has occurred. Organizations are exposed if they run Sophos Firewall v18.5 MR3 or older, especially where User Portal or Webadmin is reachable from untrusted networks. The bundle does not provide full product configuration requirements or a complete affected-version matrix. Treat this as urgent perimeter-device remediation. Because CISA lists it as known exploited and the weakness enables unauthenticated code execution, exposed or outdated Sophos Firewall systems should be verified and remediated ahead of routine patch cycles. Mitigation focus: Identify all Sophos Firewall deployments and versions.; Apply Sophos vendor guidance and supported security updates.; Restrict Webadmin and User Portal from untrusted networks..
Michael Williams reviewed this cited source version on .
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Credential and access behavior lookup
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Open ATT&CK lookupCVE-2022-1040 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CISA KEV status
CVSS vector scores
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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rceCVE reference · x_refsource_CONFIRM
- https://www.exploit-db.com/exploits/51006CVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1040CVE reference · government-resource
Products and packages named in the record
CWE details
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