CVE-2021-20124
Draytek VigorConnect Path Traversal Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 September 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 96.31% probability · 100th percentile
- CISA KEV
- Listed 3 September 2024 · due 24 September 2024
- Weakness
- CWE-22
- Affected
- draytek/vigorconnect
- Source
- vulnreport@tenable.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://www.draytek.com/about/security-advisory/vigorconnect-software-security-vulnerability-(cve-2021-20123-cve-2021-20129); https://nvd.nist.gov/vuln/detail/CVE-2021-20124
References
- https://www.tenable.com/security/research/tra-2021-42Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2021-42Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20124US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.