CVE-2021-20143 describes an unauthenticated command injection vulnerability in Gryphon Tower routers, specifically within the controller_server service. An attacker on the same network can execute arbitrary commands as root by sending a crafted packet to port 9999. This vulnerability carries a CVSS score of 8.8 (HIGH) due to its low attack complexity, requiring no authentication or user interaction, and leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it shows no signs of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 04.0004.12CPE matchmatch criteria | cpe:2.3:o:gryphonconnect:gryphon_tower_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.