{"affected":[{"affectedData":[{"product":"Tenable.sc","vendor":"n/a","versions":[{"status":"affected","version":"5.13.0 through 5.17.0"}]}],"source":"vulnreport@tenable.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:*","matchCriteriaId":"AC1721B5-9FCD-47C3-8338-E02932CF2C05","versionEndIncluding":"5.17.0","versionStartIncluding":"5.13.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Tenable.sc and Tenable.sc Core versions 5.13.0 through 5.17.0 were found to contain a vulnerability that could allow an authenticated, unprivileged user to perform Remote Code Execution (RCE) on the Tenable.sc server via Hypertext Preprocessor unserialization."},{"lang":"es","value":"Se encontró Tenable.sc y Tenable.sc Core versiones 5.13.0 hasta 5.17.0, contienen una vulnerabilidad que podría permitir a un usuario autenticado y poco privilegiado llevar a cabo una ejecución de código remota  (RCE) en el servidor Tenable.sc por medio de una deserialización del Hypertext Preprocessor"}],"id":"CVE-2021-20076","lastModified":"2026-06-17T03:33:14.133","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"PARTIAL","baseScore":6.5,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":8.0,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-03-03T17:15:11.910","references":[{"source":"vulnreport@tenable.com","tags":["Vendor Advisory"],"url":"https://www.tenable.com/security/tns-2021-03"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.tenable.com/security/tns-2021-03"}],"sourceIdentifier":"vulnreport@tenable.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-502"}],"source":"nvd@nist.gov","type":"Primary"}]}