{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-23T14:26:09.101","vulnerabilities":[{"cve":{"id":"CVE-2024-38537","sourceIdentifier":"security-advisories@github.com","published":"2024-07-02T20:15:05.860","lastModified":"2025-09-02T20:27:17.180","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Fides is an open-source privacy engineering platform. `fides.js`, a client-side script used to interact with the consent management features of Fides, used the `polyfill.io` domain in a very limited edge case, when it detected a legacy browser such as IE11 that did not support the fetch standard. Therefore it was possible for users of legacy, pre-2017 browsers who navigate to a page serving `fides.js` to download and execute malicious scripts from the `polyfill.io` domain when the domain was compromised and serving malware. No exploitation of `fides.js` via `polyfill.io` has been identified as of time of publication.\n\nThe vulnerability has been patched in Fides version `2.39.1`. Users are advised to upgrade to this version or later to secure their systems against this threat. On Thursday, June 27, 2024, Cloudflare and Namecheap intervened at a domain level to ensure `polyfill.io` and its subdomains could not resolve to the compromised service, rendering this vulnerability unexploitable. Prior to the domain level intervention, there were no server-side workarounds and the confidentiality, integrity, and availability impacts of this vulnerability were high. Clients could ensure they were not affected by using a modern browser that supported the fetch standard."},{"lang":"es","value":"Fides es una plataforma de ingeniería de privacidad de código abierto. `fides.js`, un script del lado del cliente utilizado para interactuar con las funciones de gestión de consentimiento de Fides, utilizó el dominio `polyfill.io` en un caso límite muy limitado, cuando detectó un navegador heredado como IE11 que no admitía el estándar de recuperación. Por lo tanto, era posible que los usuarios de navegadores heredados anteriores a 2017 que navegaban a una página que servía `fides.js` descargaran y ejecutaran scripts maliciosos desde el dominio `polyfill.io` cuando el dominio estaba comprometido y servía malware. No se ha identificado ninguna explotación de `fides.js` a través de `polyfill.io` al momento de la publicación. La vulnerabilidad ha sido parcheada en la versión `2.39.1` de Fides. Se recomienda a los usuarios que actualicen a esta versión o posterior para proteger sus sistemas contra esta amenaza. El jueves 27 de junio de 2024, Cloudflare y Namecheap intervinieron a nivel de dominio para garantizar que `polyfill.io` y sus subdominios no pudieran resolver el servicio comprometido, haciendo que esta vulnerabilidad no se pudiera explotar. Antes de la intervención a nivel de dominio, no había workarounds en el lado del servidor y los impactos de esta vulnerabilidad en la confidencialidad, integridad y disponibilidad eran altos. Los clientes podían asegurarse de no verse afectados utilizando un navegador moderno que admitiera el estándar de recuperación."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N","baseScore":0.0,"baseSeverity":"NONE","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":0.0},{"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:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-829"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ethyca:fides:*:*:*:*:*:*:*:*","versionEndExcluding":"2.39.1","matchCriteriaId":"960B2BA6-88EF-4A6D-A506-5F699C28EFA0"}]}]}],"references":[{"url":"https://fetch.spec.whatwg.org","source":"security-advisories@github.com","tags":["Product"]},{"url":"https://github.com/ethyca/fides/commit/868c4d629760572192bd61db34f5a4458ed12005","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/ethyca/fides/pull/5026","source":"security-advisories@github.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/ethyca/fides/security/advisories/GHSA-cvw4-c69g-7v7m","source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://sansec.io/research/polyfill-supply-chain-attack","source":"security-advisories@github.com","tags":["Product"]},{"url":"https://fetch.spec.whatwg.org","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Product"]},{"url":"https://github.com/ethyca/fides/commit/868c4d629760572192bd61db34f5a4458ed12005","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://github.com/ethyca/fides/pull/5026","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/ethyca/fides/security/advisories/GHSA-cvw4-c69g-7v7m","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://sansec.io/research/polyfill-supply-chain-attack","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Product"]}]}}]}