CVE-2021-20127

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

An arbitrary file deletion vulnerability exists in the file delete functionality of the Html5Servlet endpoint of Draytek VigorConnect 1.6.0-B3. This allows an authenticated user to arbitrarily delete files in any location on the target operating system with root privileges.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected software

Vendor	Product	Versions
n/a	Draytek VigorConnect	1.6.0-B3

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

Timeline

Published: Oct 13, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-201285.4The Profile Name field in the floor plan (Network Menu) page in Draytek VigorConnect 1.6.0-B3 was found to be vulnerable to stored XSS, as u CVE-2021-201297.5An information disclosure vulnerability exists in Draytek VigorConnect 1.6.0-B3, allowing an unauthenticated attacker to export system logs.CVE-2021-20137.6Vulnerability in the Oracle BI Publisher product of Oracle Fusion Middleware (component: BI Publisher Security). Supported versions that are CVE-2021-201308.8ManageEngine ADManager Plus Build 7111 contains a post-authentication remote code execution vulnerability due to improperly validated file u CVE-2021-201318.8ManageEngine ADManager Plus Build 7111 contains a post-authentication remote code execution vulnerability due to improperly validated file u CVE-2021-201328.8Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attack CVE-2021-201336.1Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 are affected by an absolute path traversal vulnerability that allow CVE-2021-201348.4Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 are affected by an absolute path traversal vulnerability that allow CVE-2021-201356.7Nessus versions 8.15.2 and earlier were found to contain a local privilege escalation vulnerability which could allow an authenticated, loca CVE-2021-201369.8ManageEngine Log360 Builds < 5235 are affected by an improper access control vulnerability allowing database configuration overwrite. An una CVE-2021-201376.1A reflected cross-site scripting vulnerability exists in the url parameter of the /cgi-bin/luci/site_access/ page on the Gryphon Tower route CVE-2021-201388.8An unauthenticated command injection vulnerability exists in multiple parameters in the Gryphon Tower router’s web interface at /cgi-bin/luc