CVE-2002-1694

Imagine your server keeps a diary (logs) of who visited and what happened. In this flaw, the diary page can be altered while it’s still being written, so attackers can make the record misleading. That doesn’t necessarily steal data on its own, but it can make it much harder to detect and prove what happened.

This matters if your business still runs Microsoft Internet Information Services (IIS) 4.0, especially as an internet-facing web server. Because the findings state it’s remotely reachable in the default configuration and does not require authentication or user interaction, it’s relevant to typical web exposure scenarios. It’s a risk specifically when the affected IIS service is reachable from the network/internet in its default setup.

This should be treated as a priority because attackers can tamper with logs remotely without needing login or user interaction, and the reports indicate rising attention. There is no confirmed fixed patch version available in the provided information, so your fastest path is to upgrade or migrate off IIS 4.0 and reduce internet exposure immediately.