What’s Vulnerable › Vulnerabilities

CVE-2023-22832: Apache NiFi: Improper Restriction of XML External Entity References in ExtractCCDAAttributes

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-10 · updated 2026-06-17
• Weakness: CWE-611

Description

The ExtractCCDAAttributes Processor in Apache NiFi 1.2.0 through 1.19.1 does not restrict XML External Entity references. Flow configurations that include the ExtractCCDAAttributes Processor are vulnerable to malicious XML documents that contain Document Type Declarations with XML External Entity references. The resolution disables Document Type Declarations and disallows XML External Entity resolution in the ExtractCCDAAttributes Processor.

Affected products

• Apache Software Foundation Apache NiFi: from 1.2.0 through 1.19.1

References

• https://lists.apache.org/thread/b51qs6y7b7r58vovddkv6wc16g2xbl3w
• https://nifi.apache.org/security.html#CVE-2023-22832
• https://lists.apache.org/thread/b51qs6y7b7r58vovddkv6wc16g2xbl3w
• https://nifi.apache.org/security.html#CVE-2023-22832

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