CVE-2021-45841

HighCVSS 8.1/10Last modified Jun 17, 2026

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 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-287 CWE-798

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-Execution.html
https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/Exploit, Third Party Advisory
http://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-Execution.html
https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/Exploit, Third Party Advisory

Timeline

Published: Apr 25, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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