{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-03T23:30:29.638","vulnerabilities":[{"cve":{"id":"CVE-2021-23357","sourceIdentifier":"report@snyk.io","published":"2021-03-15T17:15:21.597","lastModified":"2026-06-17T03:38:36.913","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"All versions of package github.com/tyktechnologies/tyk/gateway are vulnerable to Directory Traversal via the handleAddOrUpdateApi function. This function is able to delete arbitrary JSON files on the disk where Tyk is running via the management API. The APIID is provided by the user and this value is then used to create a file on disk. If there is a file found with the same name then it will be deleted and then re-created with the contents of the API creation request."},{"lang":"es","value":"Todas las versiones del paquete github.com/tyktechnologies/tyk/gateway son vulnerables a un Salto de Directorio por medio de la función handleAddOrUpdateApi. Esta función puede eliminar archivos JSON arbitrarios en el disco donde se ejecuta Tyk mediante la API de administración. El ID de la API lo proporciona el usuario y este valor es usado para crear un archivo en el disco. Si es encontrado un archivo con el mismo nombre, se eliminará y luego se volverá a crear con el contenido de la petición de creación de API"}],"affected":[{"source":"report@snyk.io","affectedData":[{"vendor":"n/a","product":"github.com/TykTechnologies/tyk/gateway","versions":[{"version":"0","lessThan":"unspecified","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"report@snyk.io","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N","baseScore":3.3,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":0.8,"impactScore":2.5},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":1.8,"impactScore":3.4}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","baseScore":4.6,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-22"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:tyk:tyk:*:*:*:*:*:*:*:*","matchCriteriaId":"31F492C7-6DF7-4CCA-9B23-C2063688FDB8"}]}]}],"references":[{"url":"https://github.com/TykTechnologies/tyk/issues/3390","source":"report@snyk.io","tags":["Exploit","Third Party Advisory"]},{"url":"https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKGATEWAY-1078516","source":"report@snyk.io","tags":["Third Party Advisory"]},{"url":"https://github.com/TykTechnologies/tyk/issues/3390","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKGATEWAY-1078516","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}