This weakness occurs when software depends on third-party libraries, frameworks, or modules that are no longer actively updated or supported by their creators or a trusted maintainer.
Using unmaintained components creates a significant maintenance burden. When critical bugs or security flaws are discovered, there is often no official patch available, forcing your team to either accept the risk, attempt a costly in-house fix, or search for a difficult-to-verify community workaround. This directly hinders your ability to keep the software secure and stable. Over time, this reliance on obsolete code increases technical debt and security risk. It becomes harder and more time-consuming to identify and remediate vulnerabilities within these components, slowing down your overall security response. Furthermore, the lack of updates can lead to compatibility issues and may even introduce new vulnerabilities when developers modify or work around the outdated code.
Impact: Reduce Maintainability