CVE-2023-22832

moderate-risk
Published 2023-02-10

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.

Do I need to act?

~
2.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Apache

References (4)

Mailing List https://lists.apache.org/thread/b51qs6y7b7r58vovddkv6wc16g2xbl3w
Vendor Advisory https://nifi.apache.org/security.html#CVE-2023-22832
Mailing List https://lists.apache.org/thread/b51qs6y7b7r58vovddkv6wc16g2xbl3w
Vendor Advisory https://nifi.apache.org/security.html#CVE-2023-22832
36
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 5/34 · Minimal
Exposure 5/34 · Minimal