CVE-2021-20141

An unauthenticated command injection vulnerability exists in the parameters of operation 32 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.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
tenableCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 91%
VendorProductVersion
gryphonconnectgryphon_tower_firmware
𝑥
≤ 04.0004.12
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.tenable.com/security/research/tra-2021-51
https://www.tenable.com/security/research/tra-2021-51