{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-02T18:02:59.125","vulnerabilities":[{"cve":{"id":"CVE-2021-23937","sourceIdentifier":"security@apache.org","published":"2021-05-25T17:15:08.187","lastModified":"2024-11-21T05:52:05.323","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A DNS proxy and possible amplification attack vulnerability in WebClientInfo of Apache Wicket allows an attacker to trigger arbitrary DNS lookups from the server when the X-Forwarded-For header is not properly sanitized. This DNS lookup can be engineered to overload an internal DNS server or to slow down request processing of the Apache Wicket application causing a possible denial of service on either the internal infrastructure or the web application itself. This issue affects Apache Wicket Apache Wicket 9.x version 9.2.0 and prior versions; Apache Wicket 8.x version 8.11.0 and prior versions; Apache Wicket 7.x version 7.17.0 and prior versions and Apache Wicket 6.x version 6.2.0 and later versions."},{"lang":"es","value":"Un proxy DNS y una posible vulnerabilidad de ataque de amplificación en WebClientInfo de Apache Wicket permiten que un atacante active búsquedas de DNS arbitrarias desde el servidor cuando el encabezado X-Fordered-For no se sanea correctamente. Esta búsqueda de DNS puede ser diseñada para sobrecargar un servidor DNS interno o para ralentizar el procesamiento de peticiones de la aplicación Apache Wicket, lo que provoca una posible Denegación de Servicio en la infraestructura interna o en la propia aplicación web. Este problema afecta a Apache Wicket Apache Wicket 9.x versiones 9.2.0 y anteriores; Apache Wicket 8.x versiones 8.11.0 y anteriores; Apache Wicket 7.x versiones 7.17.0 y anteriores y Apache Wicket 6.x versiones 6.2.0 y posteriores"}],"metrics":{"cvssMetricV31":[{"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-200"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0.0","versionEndIncluding":"6.2.0","matchCriteriaId":"3D5643CD-3063-4900-9EB7-86470C8C1384"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.0","versionEndIncluding":"7.17.0","matchCriteriaId":"7793CFFA-F876-4DD4-8E2F-C34FBB79FC47"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*","versionStartIncluding":"8.0.0","versionEndIncluding":"8.11.0","matchCriteriaId":"02FE0D40-F64F-4EDA-B650-9AB6A13F5190"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndIncluding":"9.2.0","matchCriteriaId":"A4009313-BE49-4B49-A890-59FDE9D9E0C1"}]}]}],"references":[{"url":"https://lists.apache.org/thread.html/r127c0c1f3cb71e5bc619ad1e4b898b97c49758d1f20a54042966473e%40%3Cannounce.wicket.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r127c0c1f3cb71e5bc619ad1e4b898b97c49758d1f20a54042966473e%40%3Cusers.wicket.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r8ccbd91b56ebf045d151bd4282bfeea7842a0698a0b76118fca8fe78%40%3Cdev.wicket.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rc2ef22f90793e158cef65a7e370cdbca023c499d1403d65feeca870d%40%3Cusers.wicket.apache.org%3E","source":"security@apache.org","tags":["Mailing List","Release Notes","Vendor Advisory"]},{"url":"https://lists.apache.org/thread.html/r127c0c1f3cb71e5bc619ad1e4b898b97c49758d1f20a54042966473e%40%3Cannounce.wicket.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r127c0c1f3cb71e5bc619ad1e4b898b97c49758d1f20a54042966473e%40%3Cusers.wicket.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r8ccbd91b56ebf045d151bd4282bfeea7842a0698a0b76118fca8fe78%40%3Cdev.wicket.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/rc2ef22f90793e158cef65a7e370cdbca023c499d1403d65feeca870d%40%3Cusers.wicket.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Release Notes","Vendor Advisory"]}]}}]}