Unrated severityCISA KEVNVD Advisory· Published Oct 13, 2021· Updated Oct 21, 2025
CVE-2021-20123
CVE-2021-20123
Description
A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.
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Affected products
1- Range: = 1.6.0-B3
Patches
Vulnerability mechanics
References
1- www.tenable.com/security/research/tra-2021-42mitrex_refsource_MISC
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