CVE-2025-20255

{"id": "CVE-2025-20255", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "psirt@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2025-05-21T17:15:56.890", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-cache-Q4xbkQBG", "tags": ["Vendor Advisory"], "source": "psirt@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-349"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in client join services of Cisco Webex Meetings could allow an unauthenticated, remote attacker to manipulate cached HTTP responses within the meeting join service.\r\n\r This vulnerability is due to improper handling of malicious HTTP requests to the affected service. An attacker could exploit this vulnerability by manipulating stored HTTP responses within the service, also known as HTTP cache poisoning. A successful exploit could allow the attacker to cause the Webex Meetings service to return incorrect HTTP responses to clients."}, {"lang": "es", "value": "Una vulnerabilidad en los servicios de acceso de clientes de Cisco Webex Meetings podr\u00eda permitir que un atacante remoto no autenticado manipule las respuestas HTTP almacenadas en cach\u00e9 dentro del servicio. Esta vulnerabilidad se debe a la gesti\u00f3n incorrecta de solicitudes HTTP maliciosas al servicio afectado. Un atacante podr\u00eda explotar esta vulnerabilidad manipulando las respuestas HTTP almacenadas dentro del servicio, lo que se conoce como envenenamiento de cach\u00e9 HTTP. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante provocar que el servicio Webex Meetings devuelva respuestas HTTP incorrectas a los clientes."}], "lastModified": "2025-07-14T20:34:07.507", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:webex_meetings:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "81774C03-0884-44C6-80EF-DC882BF44C84"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@cisco.com"}