{"containers": {"cna": {"affected": [{"product": "icinga2", "vendor": "Icinga", "versions": [{"status": "affected", "version": ">= 2.5.0, <= 2.13.0"}]}], "descriptions": [{"lang": "en", "value": "Icinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. In versions 2.5.0 through 2.13.0, ElasticsearchWriter, GelfWriter, InfluxdbWriter and Influxdb2Writer do not verify the server's certificate despite a certificate authority being specified. Icinga 2 instances which connect to any of the mentioned time series databases (TSDBs) using TLS over a spoofable infrastructure should immediately upgrade to version 2.13.1, 2.12.6, or 2.11.11 to patch the issue. Such instances should also change the credentials (if any) used by the TSDB writer feature to authenticate against the TSDB. 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En las versiones 2.5.0 a 2.13.0, los par\u00e1metros ElasticsearchWriter, GelfWriter, InfluxdbWriter e Influxdb2Writer no verifican el certificado del servidor a pesar de que se haya especificado una autoridad de certificaci\u00f3n. Las instancias de Icinga 2 que se conectan a cualquiera de las bases de datos de series temporales (TSDB) mencionadas usando TLS sobre una infraestructura falsificable deben actualizar inmediatamente a versiones 2.13.1, 2.12.6 o 2.11.11 para solucionar el problema. Dichas instancias tambi\u00e9n deben cambiar las credenciales (si las presenta) usadas por la funcionalidad TSDB writer para autenticarse contra la TSDB. 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