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Uninstallation of Cisco WebEx 1.0.12 add-on unsuccessful; flagged by Nessus vulnerability scanner as HIGH

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michael.stokes.mvm
michael.stokes.mvm
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Nessus always cites our workstations with a HIGH vulnerability = "Cisco WebEx Extension for Firefox < 1.0.12 'atgpcext' Library GPC Sanitization RCE (cisco-sa-20170717-webex)"

We have tried to remove all traces of the Cisco WebEx Extension (1.0.9 >> 1.0.12) from our workstations ||| Firefox 54.0 (x86 and x64) or Firefox 55.0-.02 (x86 and x64).

We have uninstalled/reinstalled Firefox, deleted Mozilla/Firefox directories, ran the Cisco Meeting uninstaller, ran CCleaner, scanned the Windows registry looking for elements, checked %AppData%

NOTHING IS WORKING TO FIX THE VULNERABILITY - Please assist! Thank you, Michael

Nessus always cites our workstations with a HIGH vulnerability = "Cisco WebEx Extension for Firefox < 1.0.12 'atgpcext' Library GPC Sanitization RCE (cisco-sa-20170717-webex)" We have tried to remove all traces of the Cisco WebEx Extension (1.0.9 >> 1.0.12) from our workstations ||| Firefox 54.0 (x86 and x64) or Firefox 55.0-.02 (x86 and x64). We have uninstalled/reinstalled Firefox, deleted Mozilla/Firefox directories, ran the Cisco Meeting uninstaller, ran CCleaner, scanned the Windows registry looking for elements, checked %AppData% NOTHING IS WORKING TO FIX THE VULNERABILITY - Please assist! Thank you, Michael

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FredMcD
FredMcD
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Further information can be found in this article; https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware?cache=no

Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.