Xml MapperApplication · Sas

CVE-2019-14678

CRITICAL · 10.0 CVSS v3.1 Published 2019-11-14
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Public exploit Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in multiple ways. Examples are Local File Reading, Out Of Band File Exfiltration, Server Side Request Forgery, and/or Potential Denial of Service attacks. This vulnerability also affects the XMLV2 LIBNAME engine when the AUTOMAP option is used.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

SAS XML Mapper 9.45 contains an XML External Entity (XXE) vulnerability in its XML parser. Malicious XML documents with crafted external entity references allow attackers to read local files from the server, perform Server Side Request Forgery (SSRF), exfiltrate data out-of-band, or cause Denial of Service. The vulnerability also impacts the XMLV2 LIBNAME engine when the AUTOMAP option is enabled.

MitigationApply vendor patches immediately when available. As immediate workarounds, disable the XMLV2 LIBNAME engine AUTOMAP option, implement strict XML input validation/sanitization to reject entity declarations, and consider deploying a WAF with XXE detection rules.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Xml MapperApplication
Affected:= 9.45
Base SasApplication
Affected:= 9.4

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify SAS XML Mapper version
    Locate and inspect the installed SAS XML Mapper version on the system
    Affected if The installed version is exactly 9.45 (SAS XML Mapper)
  2. Identify SAS Base version
    Locate and inspect the installed SAS Base version on the system
    Affected if The installed version is SAS Base 9.4 (any subversion)
  3. Determine if XMLV2 LIBNAME engine is in use
    Review SAS configurations and code for references to the XMLV2 LIBNAME engine
    Affected if XMLV2 LIBNAME engine is actively used to process XML data
  4. Check if AUTOMAP option is enabled
    Inspect SAS XMLV2 LIBNAME engine configurations for the AUTOMAP option setting
    Affected if AUTOMAP option is enabled for the XMLV2 LIBNAME engine

You are affected if you use SAS XML Mapper version 9.45, or if you use SAS Base 9.4 with the XMLV2 LIBNAME engine and the AUTOMAP option is enabled.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor patches immediately when available. As immediate workarounds, disable the XMLV2 LIBNAME engine AUTOMAP option, implement strict XML input validation/sanitization to reject entity declarations, and consider deploying a WAF with XXE detection rules.

Fix this in Xml Mapper Scoped from the published advisory
  • Consultation8.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
36.0 hours of engineering $6,400
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-14678 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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