{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-22T03:01:00.744","vulnerabilities":[{"cve":{"id":"CVE-2021-33600","sourceIdentifier":"cve-notifications-us@f-secure.com","published":"2021-09-28T10:15:08.100","lastModified":"2026-06-17T03:54:51.387","vulnStatus":"Modified","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 denegación de servicio (DoS) en la interfaz de usuario web de F-Secure Internet Gatekeeper. La vulnerabilidad se produce porque un atacante puede desencadenar una aserción por medio de un paquete HTTP malformado a la interfaz web. Un atacante no autenticado podría explotar esta vulnerabilidad mediante el envío de un parámetro de nombre de usuario grande. Una explotación con éxito podría conllevar a una denegación de servicio del producto"}],"affected":[{"source":"cve-notifications-us@f-secure.com","affectedData":[{"vendor":"F-Secure","product":"F-Secure Internet Gatekeeper","versions":[{"version":"5 Series All Version","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cve-notifications-us@f-secure.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":2.7},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-617"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndIncluding":"5.50.47","matchCriteriaId":"936FB1DB-B0AF-4E46-AFB0-FF10D9A008DD"}]}]}],"references":[{"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":"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":"af854a3a-2127-422b-91ae-364da2661108","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"]}]}}]}