Login Request a demo
High severity · published Apr 25, 2022
CVE-2021-45841
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
8.1
CVSS
8.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.4% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TO
Tos · Terra-master
4.2.15-2107141517 · source: NVD
Affected product
TO
Tos
Terra-master
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45841
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45841
packetstormsecurity.com
http://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-Execution.html
Exploit
https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/
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