Vulnerability · Published Dec 9, 2021 · Assigned by tenable

CVE-2021-20142

High 8.8

In plain English

A high-severity security flaw in Gryphon Tower router. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities).

Severity (CVSS NVD)8.8High

Exploit odds (30 days)3.7%top 10.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An unauthenticated command injection vulnerability exists in the parameters of operation 41 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	Gryphon Tower router	<= 04.0004.12 (Current)

References

https://www.tenable.com/security/research/tra-2021-51 x_refsource_MISC