Security readout for executives and security teams
Plain-English summary
Apache NiFi deployments are at risk only when flows use the ExtractCCDAAttributes Processor. A malicious XML document could cause NiFi to resolve external entities and expose sensitive data. The issue is high severity because exploitation is network-reachable, low complexity, and does not require authentication according to the CVSS vector.
Executive priority
Treat this as high priority for any NiFi environment handling XML from outside trusted control. It is less urgent for deployments that do not use ExtractCCDAAttributes, but those should still document non-exposure.
Technical view
CVE-2023-22832 is CWE-611 in Apache NiFi ExtractCCDAAttributes, affecting versions 1.2.0 through 1.19.1. Vulnerable flow configurations process XML documents containing DTDs with XML External Entity references. The documented resolution disables Document Type Definitions and disallows external entity resolution in that processor.
Likely exposure
Exposure is limited to Apache NiFi environments running affected versions and using the ExtractCCDAAttributes Processor in a flow that processes attacker-controlled or untrusted XML documents.
Exploitation context
The bundle does not report CISA KEV listing or active exploitation. CVSS 3.1 rates it 7.5 with network attack vector, low complexity, no privileges, no user interaction, and high confidentiality impact.
Researcher notes
The available sources define affected versions, vulnerable processor conditions, and the intended parser hardening. They do not provide exploit telemetry, a KEV signal, or detailed operational indicators. Validate exposure by configuration, not by product presence alone.
Mitigation direction
- Identify NiFi instances running versions 1.2.0 through 1.19.1.
- Upgrade to a NiFi release containing Apache's documented resolution.
- Confirm vendor guidance for the exact fixed version and deployment steps.
- Avoid processing untrusted XML through ExtractCCDAAttributes until remediated.
- Review flows for unexpected XML ingestion paths.
Validation and detection
- Inventory NiFi versions across production and non-production environments.
- Search flow configurations for ExtractCCDAAttributes Processor usage.
- Confirm whether those flows accept untrusted XML documents.
- Verify the deployed processor blocks DTD and external entity resolution.
- Check logs for suspicious XML parsing failures or unusual file access indicators.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-611: Exact CWE lookup
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Open ATT&CK lookupCVE-2023-22832 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://nifi.apache.org/security.html#CVE-2023-22832CVE reference · technical-description
- https://lists.apache.org/thread/b51qs6y7b7r58vovddkv6wc16g2xbl3wCVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Restriction of XML External Entity Reference
Improper Restriction of XML External Entity Reference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.