GHSA-q4xf-3pmq-3hw8

ghsaUSosv

Improper Restriction of XML External Entity Reference in Apache NiFi

view advisory published 2022-01-06Licence: CC-BY-4.0

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).

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2020-13940US	medium5.5	1.91% (80th)	—	2020-10-01
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 confi…

references

External citations — patches, advisories, analysis.

https://github.com/apache/nifi/commit/7f0416ee8bdcee95e28409cc6fae9c1394c2a798WEB
https://nifi.apache.org/security#CVE-2020-13940WEB
https://nvd.nist.gov/vuln/detail/CVE-2020-13940ADVISORY

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