Vulnerability · Published Oct 1, 2020 · Assigned by apache

CVE-2020-13940

Medium 5.5

In plain English

A medium-severity security flaw in Apache NiFi. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.9%top 20.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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 & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.apache.nifi:nifi1.12.0-RC1GHSA-q4xf-3pmq-3hw8

Affected products (as reported)

VendorProductVersions
n/a Apache NiFi Apache NiFi 1.0.0 to 1.11.4

References