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ColdFusion 2021 Update 10 - CFPDF Access Denied Error

Participant ,
Aug 23, 2023 Aug 23, 2023

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We updated to CF 2021 Update 10, and we're now seeing an odd error with CFPDF calls that utilize the write action.


Essentially, we read a PDF from a network share (\\server\share\inputfile.pdf), do some work on it, then write out a new file in the same location (\\server\share\outputfile.pdf).

We've recently been getting an "access denied" error when executing the CFPDF call that writes the file out. 


The CF process absolutely has access to write to that network location, and looking at the event log on the server, I don't see any audit failures when the CFPDF call executes.


As a workaround, we've changed the CFPDF call to output to an internal temp directory, then we use CFFILE to move the file to the network share.  This works fine.


If anyone else seeing this behavior?

The only changes to our server recently have been the installation of Windows Updates and CF 2021 Update 10.  I haven't yet had time to dig further, but I was wondering if anyone else had noticed anything similar.


Would the serial filter stuff detailed on https://helpx.adobe.com/coldfusion/kb/coldfusion-2021-update-10.html be involved at all?  (I wouldn't think so, and I don't see any wddx.log file where such errors should be logged to.)








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