CVE-2021-45841
moderate-risk
Published 2022-04-25
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.
Do I need to act?
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65.5% chance of exploitation in next 30 days
EPSS score — higher than 34% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10
High
NETWORK
/ HIGH complexity
Affected Products (1)
Affected Vendors
References (4)
48
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
19/34 · Moderate
Exposure
5/34 · Minimal