V-218758
CAT IIUnlisted file extensions in URL requests must be filtered by any IIS 10.0 website.
- Ships Affected
- 2
- Total Findings
- 4
- Open
- 1
- Closed
- 1
Check Text
Note: If the server being reviewed is hosting SharePoint, this is Not Applicable.
Note: If the server being reviewed is hosting Network Device Enrollment Services (NDES), this is Not Applicable.
Note: If the server being reviewed is hosting Azure DevOps (ADO), this is Not Applicable.
Follow the procedures below for each site hosted on the IIS 10.0 web server:
Open the IIS 10.0 Manager.
Click the site name.
Double-click the "Request Filtering" icon.
Click "Edit Feature Settings" in the "Actions" pane.
If the "Allow unlisted file name extensions" check box is checked, this is a finding.
Note: If this IIS 10.0 installation is supporting Microsoft Exchange, and not otherwise hosting any content, this requirement is Not Applicable.
Note: If this IIS 10.0 installation is supporting Splunk, this requirement is Not Applicable.
Note: If this IIS 10.0 installation is supporting WSUS, this requirement is Not Applicable.
Fix Text
Follow the procedures below for each site hosted on the IIS 10.0 web server:
Open the IIS 10.0 Manager.
Click the site name under review.
Double-click the "Request Filtering" icon.
Click "Edit Feature Settings" in the "Actions" pane.
Uncheck the "Allow unlisted file extensions" check box.
STIG Reference
- STIG
- Microsoft IIS 10.0 Site Security Technical Implementation Guide
- Version
- 2
- Release
- 15
- Rule ID
- SV-218758r1156527_rule
All Occurrences
This vulnerability appears on 2 ship(s)
| Ship | Hull # | Source File | Status | Assigned To | Scan Date | Actions |
|---|---|---|---|---|---|---|
| LAB BASELINES | BASELINE | SCHR-P3-DP-001_IIS10Site_Default_Web_Site_V2R14_20260305-133115.cklb | Unassigned | 2026-03-12T15:38:14.459023 | View in Context | |
| USNS MONTFORD POINT | T-ESD-1 | _Reviewed/MONT-DP-001/Checklist/MONT-DP-001_IIS10Site_Default_Web_Site_V2R12_20251023-143912.ckl | Unassigned | 2026-01-14T12:57:35.375369 | View in Context | |
| USNS MONTFORD POINT | T-ESD-1 | _Reviewed/MONT-MB-002/Checklist/MONT-MB-002_IIS10Site_Exchange_Back_End_V2R12_20251023-152602.ckl | Unassigned | 2026-01-14T12:57:33.300070 | View in Context | |
| USNS MONTFORD POINT | T-ESD-1 | _Reviewed/MONT-MB-002/Checklist/MONT-MB-002_IIS10Site_Default_Web_Site_V2R12_20251023-152518.ckl | Unassigned | 2026-01-14T12:57:33.098574 | View in Context |