{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-04T20:10:26.725","vulnerabilities":[{"cve":{"id":"CVE-2021-22920","sourceIdentifier":"support@hackerone.com","published":"2021-08-05T21:15:11.083","lastModified":"2024-11-21T05:50:55.027","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to a phishing attack through a SAML authentication hijack to steal a valid user session."},{"lang":"es","value":"Se ha detectado una vulnerabilidad en Citrix ADC (antes conocido como NetScaler ADC) y Citrix Gateway (antes conocido como NetScaler Gateway), y en los modelos 4000-WO, 4100-WO, 5000-WO y 5100-WO de Citrix SD-WAN WANOP Edition. Estas vulnerabilidades, si son explotadas, podrían conllevar a un ataque de phishing mediante un secuestro de autenticación SAML para robar una sesión de usuario válida"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"support@hackerone.com","type":"Secondary","description":[{"lang":"en","value":"CWE-284"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:application_delivery_management:12.1-62.25:*:*:*:*:*:*:*","matchCriteriaId":"DE311F5F-CD6A-4539-9941-B7F301BD29C3"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:application_delivery_management:13.0-82.42:*:*:*:*:*:*:*","matchCriteriaId":"ECDB150A-DC10-4C05-A75A-5EA94E3AE84D"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:gateway:12.1-62.25:*:*:*:*:*:*:*","matchCriteriaId":"20180A94-DDD7-4EC0-9636-158B935B0938"},{"vulnerable":true,"criteria":"cpe:2.3:a:citrix:gateway:13.0-82.42:*:*:*:*:*:*:*","matchCriteriaId":"3FF01A30-0E92-43CD-B1BE-B2051EF7B0A6"}]}]}],"references":[{"url":"https://support.citrix.com/article/CTX319135","source":"support@hackerone.com","tags":["Vendor Advisory"]},{"url":"https://support.citrix.com/article/CTX319135","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}