Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Terra-Master | Tos | 4.2.15-2107141517 |
| Terra-Master | F2-210 | - |
| Terra-Master | F4-210 | - |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-E
- https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/ExploitThird Party Advisory
- http://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-E
- https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/ExploitThird Party Advisory
FAQ
What is CVE-2021-45841?
CVE-2021-45841 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 defaul...
How severe is CVE-2021-45841?
CVE-2021-45841 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-45841?
Check the references section above for vendor advisories and patch information. Affected products include: Terra-Master Tos, Terra-Master F2-210, Terra-Master F4-210.