CVE-2021-23859 – Denial of Service and Authentication Bypass Vulnerability in multiple Bosch products

https://notcve.org/view.php?id=CVE-2021-23859

An unauthenticated attacker is able to send a special HTTP request, that causes a service to crash. In case of a standalone VRM or BVMS with VRM installation this crash also opens the possibility to send further unauthenticated commands to the service. On some products the interface is only local accessible lowering the CVSS base score. For a list of modified CVSS scores, please see the official Bosch Advisory Appendix chapter Modified CVSS Scores for CVE-2021-23859 Un atacante no autenticado es capaz de enviar una petición HTTP especial, que causa el bloqueo de un servicio. En el caso de un VRM independiente o de un BVMS con instalación de VRM, este bloqueo también abre la posibilidad de enviar más comandos no autenticados al servicio. • https://psirt.bosch.com/security-advisories/bosch-sa-043434-bt.html • CWE-703: Improper Check or Handling of Exceptional Conditions CWE-755: Improper Handling of Exceptional Conditions •