Draytek VigorConnect Path Traversal Vulnerability (CVE-2021-20124)
Severity: high · Patch status: unknown · Since 2024-09-03 · CVE-2021-20124
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. CISA added CVE-2021-20124 to its Known Exploited Vulnerabilities catalog on Sep 3, 2024, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Sep 24, 2024 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch