High severity · published Oct 13, 2021
CVE-2021-20127
An arbitrary file deletion vulnerability exists in the file delete functionality of the Html5Servlet endpoint of Draytek VigorConnect 1.6.0-B3
8.1
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VI
Vigorconnect · Draytek
1.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20127
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20127
Exploit
https://www.tenable.com/security/research/tra-2021-42
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