RULE(RULE ID:337576)

Rule General Information
Release Date: 2023-07-18
Rule Name: TerraMaster TOS Critical Information Leakage Vulnerability (CVE-2021-45839)
Severity:
CVE ID:
Rule Protection Details
Description: It is possible to obtain the first administrator's hash set up on the system in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) as well as other information such as MAC address, internal IP address etc. by performing a request to the /module/api.php?mobile/webNasIPS endpoint.
Impact: An attacker can abtain sensitive information of the target victim, and do malicious actions to gain profits using the information.
Affected OS: Windows, Linux, Others
Reference: https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/
https://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-Execution.html
https://cxsecurity.com/cveshow/CVE-2021-45839/
https://cxsecurity.com/issue/WLB-2023060021
Solutions
Please contact the software vendor to update the software patch.