CVE-2021-45841
Last modified
CVE-2021-45841 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 8.06% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Terra-Master | Tos | 4.2.15-2107141517 |
References
- https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/Exploit, Third Party Advisory
- https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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