Vulnerability · Published Apr 25, 2022 · Assigned by mitre
CVE-2021-45841
High 8.1
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 8.4% (higher than 95% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit.
Severity (CVSS NVD)8.1High
Exploit odds (30 days)8.4%top 5.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Metasploit
Official description
In Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517), an attacker can self-sign session cookies by knowing the target's MAC address and the user's password hash. Guest users (disabled by default) can be abused using a null/empty hash and allow an unauthenticated attacker to login as guest.