CVE-2022-1040

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authentication-Bypass.html	Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/51006	Exploit Third Party Advisory VDB Entry
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rce	Mitigation Vendor Advisory
http://packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authentication-Bypass.html	Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/51006	Exploit Third Party Advisory VDB Entry
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rce	Mitigation Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1040

Configurations

Configuration 1 (hide)

cpe:2.3:o:sophos:sfos:*:*:*:*:*:*:*:*

History

22 Oct 2025, 00:17

Type	Values Removed	Values Added
References		() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1040 -

21 Oct 2025, 20:18

Type	Values Removed	Values Added
References	~~{'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1040', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}~~

21 Oct 2025, 19:19

Type	Values Removed	Values Added
References		() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1040 -

Information

Published : 2022-03-25 12:15

Updated : 2025-10-22 00:17

NVD link : CVE-2022-1040

Mitre link : CVE-2022-1040

CVE.ORG link : CVE-2022-1040

JSON object : View

Products Affected

sophos

sfos

CWE

NVD-CWE-noinfo

{"id": "CVE-2022-1040", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "security-alert@sophos.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2022-03-25T12:15:07.750", "references": [{"url": "http://packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authentication-Bypass.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "security-alert@sophos.com"}, {"url": "https://www.exploit-db.com/exploits/51006", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "security-alert@sophos.com"}, {"url": "https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rce", "tags": ["Mitigation", "Vendor Advisory"], "source": "security-alert@sophos.com"}, {"url": "http://packetstormsecurity.com/files/168046/Sophos-XG115w-Firewall-17.0.10-MR-10-Authentication-Bypass.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.exploit-db.com/exploits/51006", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.sophos.com/en-us/security-advisories/sophos-sa-20220325-sfos-rce", "tags": ["Mitigation", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1040", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n en el Portal de Usuarios y Webadmin permite a un atacante remoto ejecutar c\u00f3digo en Sophos Firewall versiones v18.5 MR3 y anteriores"}], "lastModified": "2025-10-22T00:17:51.877", "cisaActionDue": "2022-04-21", "cisaExploitAdd": "2022-03-31", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:sophos:sfos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "607A3F0A-C405-4A38-8766-4C79C62E9671", "versionEndIncluding": "18.5.3"}], "operator": "OR"}]}], "sourceIdentifier": "security-alert@sophos.com", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Sophos Firewall Authentication Bypass Vulnerability"}