{"affected":[{"affectedData":[{"product":"Cisco Firepower Management Center","vendor":"Cisco","versions":[{"status":"affected","version":"n/a"}]}],"source":"psirt@cisco.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*","matchCriteriaId":"634D4E3D-4FAB-46BC-9D9D-E6AFCFB26B17","versionEndIncluding":"6.4.0.11","vulnerable":true},{"criteria":"cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*","matchCriteriaId":"3B093C12-8118-45D4-B044-621E5228BB9F","versionEndExcluding":"6.6.3","versionStartIncluding":"6.5.0","vulnerable":true},{"criteria":"cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*","matchCriteriaId":"4EF7D3CA-AA84-46D8-9386-C8672FCDB090","versionEndExcluding":"6.7.0.2","versionStartIncluding":"6.7.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. These vulnerabilities are due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit these vulnerabilities by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information."},{"lang":"es","value":"Múltiples vulnerabilidades en la interfaz de administración basada en web del software Cisco Firepower Management Center (FMC), podrían permitir a un atacante remoto no autenticado conducir un ataque de tipo cross-site scripting (XSS) contra un usuario de la interfaz. Estas vulnerabilidades son debido a una comprobación insuficiente de entrada suministrada por el usuario mediante la interfaz de administración basada en web. Un atacante podría explotar estas vulnerabilidades al persuadir a un usuario de la interfaz para que haga clic en un enlace diseñado. Una explotación con éxito podría permitir al atacante ejecutar código script arbitrario en el contexto de la interfaz o acceder a información confidencial basada en el navegador"}],"id":"CVE-2021-1455","lastModified":"2026-06-17T03:31:49.087","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"LOW","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"NONE","baseScore":3.5,"confidentialityImpact":"NONE","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","version":"2.0"},"exploitabilityScore":6.8,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"exploitabilityScore":1.7,"impactScore":2.7,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2021-1455","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-11-08T20:45:04.400944Z","version":"2.0.3"}}]},"published":"2021-04-29T18:15:09.043","references":[{"source":"psirt@cisco.com","tags":["Vendor Advisory"],"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-yT8LNSeA"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-xss-yT8LNSeA"}],"sourceIdentifier":"psirt@cisco.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-79"}],"source":"psirt@cisco.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-79"}],"source":"nvd@nist.gov","type":"Primary"}]}