Risk Letters

Exploited vulnerability

CVE-2021-20123

TLP:CLEAR

Draytek VigorConnect Path Traversal Vulnerability

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.

Facts

  • Vendor: DrayTek
  • Product: VigorConnect
  • CVSS: 7.5
  • EPSS (probability of exploitation within 30 days): 89.7 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 September 2024
  • First known exploitation: 3 September 2024
  • CISA's deadline for US federal agencies: 24 September 2024
  • Weakness: CWE-22
  • First seen by Risk Letters: 3 September 2024

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD