CVE-2021-33600

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A successful exploitation could lead to a denial-of-service of the product."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Denial of Service Vulnerability in Web Interface of F-Secure Internet Gatekeeper", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-09-28T09:06:55.000Z", "orgId": "126858f1-1b65-4b74-81ca-7034f7f7723f", "shortName": "F-SecureUS"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame"}, {"tags": ["x_refsource_MISC"], "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33600"}], "solutions": [{"lang": "en", "value": "FIX: Hotfix 9 will be published to fix this vulnerability. Download and instructions available at: https://www.f-secure.com/en/business/downloads/internet-gatekeeper"}], "source": {"discovery": "EXTERNAL"}, "title": "Denial of Service Vulnerability in Web Interface of F-Secure Internet Gatekeeper", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve-notifications-us@f-secure.com", "ID": "CVE-2021-33600", "STATE": "PUBLIC", "TITLE": "Denial of Service Vulnerability in Web Interface of F-Secure Internet Gatekeeper"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "F-Secure Internet Gatekeeper", "version": {"version_data": [{"version_affected": "=", "version_name": "5 Series", "version_value": "All Version"}]}}]}, "vendor_name": "F-Secure"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A denial-of-service (DoS) vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. 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{"affected": [{"affectedData": [{"product": "F-Secure Internet Gatekeeper", "vendor": "F-Secure", "versions": [{"status": "affected", "version": "5 Series All Version"}]}], "source": "cve-notifications-us@f-secure.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*", "matchCriteriaId": "936FB1DB-B0AF-4E46-AFB0-FF10D9A008DD", "versionEndIncluding": "5.50.47", "versionStartIncluding": "5.10", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A denial-of-service (DoS) vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. The vulnerability occurs because of an attacker can trigger assertion via malformed HTTP packet to web interface. An unauthenticated attacker could exploit this vulnerability by sending a large username parameter. A successful exploitation could lead to a denial-of-service of the product."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad de denegaci\u00f3n de servicio (DoS) en la interfaz de usuario web de F-Secure Internet Gatekeeper. La vulnerabilidad se produce porque un atacante puede desencadenar una aserci\u00f3n por medio de un paquete HTTP malformado a la interfaz web. Un atacante no autenticado podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de un par\u00e1metro de nombre de usuario grande. Una explotaci\u00f3n con \u00e9xito podr\u00eda conllevar a una denegaci\u00f3n de servicio del producto"}], "id": "CVE-2021-33600", "lastModified": "2026-06-17T03:54:51.387", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "cve-notifications-us@f-secure.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-28T10:15:08.100", "references": [{"source": "cve-notifications-us@f-secure.com", "tags": ["Vendor Advisory"], "url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame"}, {"source": "cve-notifications-us@f-secure.com", "tags": ["Vendor Advisory"], "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33600"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33600"}], "sourceIdentifier": "cve-notifications-us@f-secure.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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