cis_9_14 — App Service restricts CORS to specific origins¶
Summary
Severity: Medium · Pillar: Network · Chain role: AMPLIFIER
Description¶
CORS configured with wildcard '*' allows any website to make cross-origin requests. Restricting CORS to specific trusted origins prevents cross-site data theft and CSRF-like attacks.
Mapping¶
| Framework | Control / Reference |
|---|---|
| NIST 800-53 | AC-4 |
| NIST 800-207 | — |
| CIS Azure | 9.14 |
| MITRE ATT&CK Technique | T1189 |
| MITRE ATT&CK Tactic | Initial Access |
| Zero-Trust Tenet | — |
| Framework tags | cis-azure-2.0, nist-800-53 |
Source¶
Rule defined at policies/azure/cis/appservice/cis_9_14.rego.