CVE-1999-0200

CVE-1999-0200 is a critical-severity vulnerability with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Windows NT FTP server (WFTP) with the guest account enabled without a password allows an attacker to log into the FTP server using any username and password.

Frequently asked questions

What is CVE-1999-0200?
Windows NT FTP server (WFTP) with the guest account enabled without a password allows an attacker to log into the FTP server using any username and password.
How severe is CVE-1999-0200?
CVE-1999-0200 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-1999-0200 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-1999-0200?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-1999-0200 published?
CVE-1999-0200 was published on 1999-01-01 and last updated on 2026-06-16.

References