CVE-2021-45841

Public Exploit

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.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 61.17% Top 5%
Third-Party Advisory thatsn0tmy.site
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/ third party advisory exploit
http://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-Execution.html

Frequently Asked Questions

What is the severity of CVE-2021-45841?
CVE-2021-45841 has been scored as a high severity vulnerability.
How to fix CVE-2021-45841?
To fix CVE-2021-45841, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-45841 being actively exploited in the wild?
It is possible that CVE-2021-45841 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~61% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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