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CVE-2021-20123

Known Exploited (CISA KEV)HIGH
7.5
CVSS Severity Score
EPSS Score79.1710%
EPSS Percentile90.67th
PublishedOct 13, 2021
Last ModifiedNov 3, 2025

Vulnerability 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.

Affected Platforms (CPE)

📦
Draytek

Vigorconnect

= 1.6.0

References & Advisories

🔗 https://www.tenable.com/security/research/tra-2021-42
🔗 https://www.tenable.com/security/research/tra-2021-42
🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20123

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