SB2022050604 - Path traversal in QNAP QTS, QuTS hero and QuTScloud
Published: May 6, 2022
Security Bulletin ID
SB2022050604
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Path traversal (CVE-ID: CVE-2021-38693)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in thttpd. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.
Remediation
Install update from vendor's website.