{"affected":[{"affectedData":[{"product":"Cisco WebEx Event Center","vendor":"Cisco","versions":[{"status":"affected","version":"n/a"}]}],"source":"psirt@cisco.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:cisco:webex_meetings_online:1.3.43:*:*:*:*:*:*:*","matchCriteriaId":"B5689158-1EF7-4630-8A09-9D945DAAFC32","vulnerable":true},{"criteria":"cpe:2.3:a:cisco:webex_meetings_server:4.0:-:*:*:*:*:*:*","matchCriteriaId":"4D6CF856-093A-4E89-A71D-50A2887C265B","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the way Cisco Webex applications process Universal Communications Format (UCF) files could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of UCF media files. An attacker could exploit this vulnerability by sending a user a malicious UCF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit would cause the application to quit unexpectedly."},{"lang":"es","value":"Una vulnerabilidad en la manera en que las aplicaciones de Cisco Webex procesan los archivos de Universal Communications Format (UCF) podría permitir a un atacante  causar una condición de denegación de servicio (DoS). La vulnerabilidad es debido a una comprobación insuficiente de los archivos multimedia UCF. Un atacante podría explotar esta vulnerabilidad mediante el envío a un usuario de un archivo UCF malicioso mediante un enlace o archivo adjunto de correo electrónico y persuadiendo al usuario a abrir el archivo con el software afectado en el sistema local. Una explotación con éxito podría causar que la aplicación se cierre inesperadamente"}],"id":"CVE-2020-3116","lastModified":"2026-06-17T03:17:22.710","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":4.3,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":8.6,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.0"},"exploitabilityScore":1.8,"impactScore":3.6,"source":"psirt@cisco.com","type":"Secondary"}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2020-3116","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-11-13T17:23:54.923475Z","version":"2.0.3"}}]},"published":"2020-09-23T01:15:14.737","references":[{"source":"psirt@cisco.com","tags":["Vendor Advisory"],"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200108-webex-centers-dos"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200108-webex-centers-dos"}],"sourceIdentifier":"psirt@cisco.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-20"}],"source":"psirt@cisco.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-20"}],"source":"nvd@nist.gov","type":"Primary"}]}