{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T08:42:32.705","vulnerabilities":[{"cve":{"id":"CVE-2021-27786","sourceIdentifier":"psirt@hcl.com","published":"2022-06-09T17:15:08.560","lastModified":"2024-11-21T05:58:33.907","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Cross-origin resource sharing (CORS) enables browsers to perform cross domain requests in a controlled manner. This request has an Origin header that identifies the domain that is making the initial request and defines the protocol between a browser and server to see if the request is allowed. An attacker can take advantage of this and possibly carry out privileged actions and access sensitive information when the Access-Control-Allow-Credentials is enabled."},{"lang":"es","value":"Una compartición de recursos entre orígenes (CORS) permite a navegadores llevar a cabo peticiones entre dominios de forma controlada. Esta petición presenta un encabezado Origin que identifica el dominio que realiza la petición inicial y define el protocolo entre un navegador y un servidor para ver si la petición está permitida. Un atacante puede aprovecharse de esto y posiblemente llevar a cabo acciones privilegiadas y acceder a información confidencial cuando Access-Control-Allow-Credentials está habilitado"}],"metrics":{"cvssMetricV31":[{"source":"psirt@hcl.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","baseScore":4.6,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.1,"impactScore":2.5},{"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}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@hcl.com","type":"Secondary","description":[{"lang":"en","value":"CWE-942"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-697"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:hcltech:onetest_server:10.0:*:*:*:*:*:*:*","matchCriteriaId":"030095EA-2C10-4A4B-A1C2-673943E41A37"},{"vulnerable":true,"criteria":"cpe:2.3:a:hcltech:onetest_server:10.1:*:*:*:*:*:*:*","matchCriteriaId":"089C72EF-E35A-4718-A361-3D1C92C8BF8C"},{"vulnerable":true,"criteria":"cpe:2.3:a:hcltech:onetest_server:10.2:*:*:*:*:*:*:*","matchCriteriaId":"CE5428D8-1A0D-4E28-989E-4E26645438A6"}]}]}],"references":[{"url":"https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098603","source":"psirt@hcl.com","tags":["Vendor Advisory"]},{"url":"https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098603","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}