SB2021102138 - Path traversal in CivetWeb
Published: October 21, 2021 Updated: March 11, 2022
Security Bulletin ID
SB2021102138
Severity
High
Patch available
YES
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) Path traversal (CVE-ID: CVE-2020-27304)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the mg_handle_form_request API. A remote attacker can send a specially crafted HTTP request and upload arbitrary files on the system.
Remediation
Install update from vendor's website.