SB2021040202 - Security restrictions bypass in QNAP QTS
Published: April 2, 2021
Security Bulletin ID
SB2021040202
Severity
Critical
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: N/A)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions within DLNA server. A remote non-authenticated attacker can connect to the DLNA server on port 8200/tcp and use a specially crafted request to create arbitrary files on the system. The vulnerability can lead to remote code execution.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.