CVE-2021-20123 · netVigilance record NV24-0107
Draytek VigorConnect Path Traversal
past due
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA deadline 2024-09-24 · passed 1 year 11 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
DrayTek VigorConnect. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-22.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 1 year 11 months ago
Sources
- NVD entry for CVE-2021-20123 nvd.nist.gov/vuln/detail/CVE-2021-20123
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- draytek.com www.draytek.com/about/security-advisory/vigorconnect-software-security-vulnerability-(cve-2021-20123-cve-2021-20129
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-20123