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vuln-nvd/data/2021/CVE-2021-21705.json

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{"affected":[{"affectedData":[{"product":"PHP","vendor":"PHP Group","versions":[{"lessThan":"7.3.29","status":"affected","version":"7.3.x","versionType":"custom"},{"lessThan":"7.4.21","status":"affected","version":"7.4.x","versionType":"custom"},{"lessThan":"8.0.8","status":"affected","version":"8.0.X","versionType":"custom"}]}],"source":"security@php.net"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*","matchCriteriaId":"82BE8E00-14C8-415D-9FDC-7E77C455097D","versionEndExcluding":"7.3.29","versionStartIncluding":"7.3.0","vulnerable":true},{"criteria":"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*","matchCriteriaId":"C48354D3-01BE-417B-916B-CCB7639C9BA2","versionEndExcluding":"7.4.21","versionStartIncluding":"7.4.0","vulnerable":true},{"criteria":"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*","matchCriteriaId":"08BF11AE-E859-4498-AA46-72689B4BE396","versionEndExcluding":"8.0.8","versionStartIncluding":"8.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*","matchCriteriaId":"1FE996B1-6951-4F85-AA58-B99A379D2163","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:oracle:sd-wan_aware:8.2:*:*:*:*:*:*:*","matchCriteriaId":"667A06DE-E173-406F-94DA-1FE64BCFAE18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filter_var() function with FILTER_VALIDATE_URL parameter, an URL with invalid password field can be accepted as valid. This can lead to the code incorrectly parsing the URL and potentially leading to other security implications - like contacting a wrong server or making a wrong access decision."},{"lang":"es","value":"En PHP versiones 7.3.x por debajo de 7.3.29, 7.4.x por debajo de 7.4.21 y 8.0.x por debajo de 8.0.8, cuando es usada la funcionalidad URL validation por medio de la función filter_var() con el parámetro FILTER_VALIDATE_URL, una URL con un campo de contraseña no válido puede ser aceptada como válida. Esto puede conllevar a que el código analice incorrectamente la URL y potencialmente conlleve a otras implicaciones de seguridad - como contactar con un servidor equivocado o tomar una decisión de acceso errónea"}],"id":"CVE-2021-21705","lastModified":"2026-06-17T03:36:01.920","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":5.0,"confidentialityImpact":"NONE","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N","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":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":1.4,"source":"security@php.net","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"exploitabilityScore":3.9,"impactScore":1.4,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-10-04T04:15:08.210","references":[{"source":"security@php.net","tags":["Exploit","Issue Tracking","Patch","Vendor Advisory"],"url":"https://bugs.php.net/bug.php?id=81122"},{"source":"security@php.net","tags":["Third Party Advisory"],"url":"https://security.gentoo.org/glsa/202209-20"},{"source":"security@php.net","tags":["Third Party Advisory"],"url":"https://security.netapp.com/advisory/ntap-20211029-0006/"},{"source":"security@php.net","tags":["Patch","Vendor Advisory"],"url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Patch","Vendor Advisory"],"url":"https://bugs.php.net/bug.php?id=81122"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://security.gentoo.org/glsa/202209-20"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://security.netapp.com/advisory/ntap-20211029-0006/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"url":"https://www.oracle.com/security-alerts/cpujan2022.html"}],"sourceIdentifier":"security@php.net","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-20"}],"source":"security@php.net","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-20"}],"source":"nvd@nist.gov","type":"Primary"}]}