CVE-1999-0253
High CVSS 7.5Published 1997-01-01 ยท last changed 2026-06-16
The fix
We hold no Microsoft remediation data for CVE-1999-0253, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.
What it is
IIS 3.0 with the iis-fix hotfix installed allows remote intruders to read source code for ASP programs by using a %2e instead of a . (dot) in the URL.
Sources
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P