MidnightBSD

Advisories for gryphonconnect

CVE-2021-20137 MEDIUM

A reflected cross-site scripting vulnerability exists in the url parameter of the /cgi-bin/luci/site_access/ page on the Gryphon Tower router's web interface. An attacker could exploit this issue by tricking a user into following a specially crafted link, granting the attacker javascript execution in the context of the victim's browser.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 6.1 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N 2.8 2.7

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-79,

Products Affected

Vendor Product Version
gryphonconnect gryphon_tower_firmware *
CVE-2021-20138 HIGH

An unauthenticated command injection vulnerability exists in multiple parameters in the Gryphon Tower router’s web interface at /cgi-bin/luci/rc. 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 web interface.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 8.8 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2.8 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-78,

Products Affected

Vendor Product Version
gryphonconnect gryphon_tower_firmware *
CVE-2021-20139 HIGH

An unauthenticated command injection vulnerability exists in the parameters of operation 3 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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 8.8 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2.8 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-78,

Products Affected

Vendor Product Version
gryphonconnect gryphon_tower_firmware *
CVE-2021-20140 HIGH

An unauthenticated command injection vulnerability exists in the parameters of operation 10 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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 8.8 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2.8 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-78,

Products Affected

Vendor Product Version
gryphonconnect gryphon_tower_firmware *
CVE-2021-20141 HIGH

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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 8.8 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2.8 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-78,

Products Affected

Vendor Product Version
gryphonconnect gryphon_tower_firmware *
CVE-2021-20142 HIGH

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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 8.8 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2.8 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-78,

Products Affected

Vendor Product Version
gryphonconnect gryphon_tower_firmware *
CVE-2021-20143 HIGH

An unauthenticated command injection vulnerability exists in the parameters of operation 48 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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 8.8 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2.8 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-78,

Products Affected

Vendor Product Version
gryphonconnect gryphon_tower_firmware *
CVE-2021-20144 HIGH

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.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 8.8 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2.8 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-78,

Products Affected

Vendor Product Version
gryphonconnect gryphon_tower_firmware *
CVE-2021-20145 MEDIUM

Gryphon Tower routers contain an unprotected openvpn configuration file which can grant attackers access to the Gryphon homebound VPN network which exposes the LAN interfaces of other users' devices connected to the same service. An attacker could leverage this to make configuration changes to, or otherwise attack victims' devices as though they were on an adjacent network.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 3.9 3.6

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-287,

Products Affected

Vendor Product Version
gryphonconnect gryphon_tower_firmware *
CVE-2021-20146 HIGH

An unprotected ssh private key exists on the Gryphon devices which could be used to achieve root access to a server affiliated with Gryphon's development and infrastructure. At the time of discovery, the ssh key could be used to login to the development server hosted in Amazon Web Services.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 3.9 5.9

CVSS 2.0

Severity: HIGH

Problem Type: CWE-522,

Products Affected

Vendor Product Version
gryphonconnect gryphon_tower_firmware *