CVE-2021-20124VulnerabilityPublished 09/03/2024Updated 10/24/2026
CVE-2021-20124: Draytek VigorConnect Path Traversal Vulnerability
Affects DrayTek VigorConnectSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 09/03/2024
- KEV deadline
- 09/24/2024
- EPSS
- 96.3% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
Draytek VigorConnect contains a path traversal vulnerability in the file download functionality of the WebServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.