CVE-2021-31559 – S2S TcpToken authentication bypass

https://notcve.org/view.php?id=CVE-2021-31559

A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders. Una petición diseñada omite la autenticación S2S TCP Token escribiendo eventos arbitrarios en un índice en Splunk Enterprise Indexer versiones 8.1 anteriores a 8.1.5 y versiones 8.2 anteriores a 8.2.1. La vulnerabilidad afecta a los Indexadores configurados para usar TCPTokens. • https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html • CWE-288: Authentication Bypass Using an Alternate Path or Channel •