CRITICAL SECURITY ISSUE AFFECTING TEAMCITY ON-PREMISES (CVE-2024-23917) – UPDATE TO 2023.11.3 NOW

Summary from the TLDR InfoSec newsletter

The vulnerability (CVSS 9.8 out of 10) affects all TeamCity On-Premises versions from 2017.1 through 2023.11.2 and allows for unauthenticated attacks.