CVE-2021-45839 — MEDIUM (6.5)

Vulnerability Description

It is possible to obtain the first administrator's hash set up on the system in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) as well as other information such as MAC address, internal IP address etc. by performing a request to the /module/api.php?mobile/webNasIPS endpoint.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Terra-Master	Tos	4.2.15-2107141517
Terra-Master	F2-210	-
Terra-Master	F4-210	-

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-2021-45839?

CVE-2021-45839 is a vulnerability with a CVSS score of 6.5 (MEDIUM). It is possible to obtain the first administrator's hash set up on the system in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) as well as other information such as MAC address, internal IP a...

How severe is CVE-2021-45839?

CVE-2021-45839 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-45839?

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.