CVE-2021-20144

Public Exploit

Description

An unauthenticated command injection vulnerability exists in the parameters of operation 49 in the controller_server service on Gryphon Tower routers. An unauthenticated remote attacker on the same network can execute commands as root on the device by sending a specially crafted malicious packet to the controller_server service on port 9999.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 7.77% Top 10%
Vendor Advisory tenable.com
Affected: n/a Gryphon Tower router
Published at:
Updated at:

References

Link Tags
https://www.tenable.com/security/research/tra-2021-51 vendor advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-20144?
CVE-2021-20144 has been scored as a high severity vulnerability.
How to fix CVE-2021-20144?
To fix CVE-2021-20144, 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-2021-20144 being actively exploited in the wild?
It is possible that CVE-2021-20144 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20144?
CVE-2021-20144 affects n/a Gryphon Tower router.
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