medium5.5
CVE-2020-13940
Improper Restriction of XML External Entity Reference in Apache NiFi
Impact
In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE).
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.apache.nifi:nifi | >= 1.0.0, <= 1.11.4 | 1.12.0-RC1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Nifi | from 1.0.0 through 1.11.4 |