Draytek VigorConnect Path Traversal Vulnerability
Description
Draytek VigorConnect contains a path traversal vulnerability in the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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Details
- Vendor
- DrayTek
- Product
- DrayTek VigorConnect
- CVE
- CVE-2021-20123
- Affected versions
- Draytek VigorConnect 1.6: 1.6.0-B3 (from the advisory and NVD; check the exact builds in the official advisory)
- CVSS score
- 7.5
- Actively exploited
- Yes, listed in the CISA Known Exploited Vulnerabilities catalog
- CISA due date
- September 24, 2024 (deadline for US federal agencies: a good benchmark for you too)
- Source
- CISA KEV – original advisory
- Published
- September 3, 2024
The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.