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CVE-2020-13940
Good to know:
Date: October 5, 2020
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).
Language: Java
Severity Score
Severity Score
Weakness Type (CWE)
Improper Restriction of XML External Entity Reference ('XXE')
CWE-611Top Fix
Upgrade Version
Upgrade to version org.apache.nifi:nifi-bootstrap:1.12.0-RC1,org.apache.nifi:nifi-security-utils:1.12.0-RC1,org.apache.nifi:nifi-framework-api:1.12.0-RC1,org.apache.nifi:nifi-file-authorizer:1.12.0-RC1,org.apache.nifi:nifi-framework-authorization:1.12.0-RC1,org.apache.nifi:nifi-framework-cluster-protocol:1.12.0-RC1,org.apache.nifi:nifi-framework-core:1.12.0-RC1,org.apache.nifi:nifi-ranger-plugin:1.12.0-RC1,org.apache.nifi:nifi-standard-processors:1.12.0-RC1,org.apache.nifi:nifi-toolkit-flowanalyzer:1.12.0-RC1,org.apache.nifi:nifi-toolkit-flowanalyzer:1.12.0-RC1
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | LOCAL |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | NONE |
| Availability (A): | NONE |
CVSS v2
| Base Score: |
|
|---|---|
| Access Vector (AV): | NETWORK |
| Access Complexity (AC): | MEDIUM |
| Authentication (AU): | NONE |
| Confidentiality (C): | PARTIAL |
| Integrity (I): | NONE |
| Availability (A): | NONE |
| Additional information: |