CVE-2021-20145
7.5 · HIGHOverview
CVE-2021-20145 is a high-severity vulnerability affecting gryphonconnect gryphon_tower_firmware. It was published on December 9, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from gryphonconnect. Update gryphon_tower_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| gryphonconnect | gryphon_tower_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-20145?
CVE-2021-20145 is a high-severity vulnerability affecting gryphonconnect gryphon_tower_firmware. It was published on December 9, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-20145?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-20145?
Check the references section for vendor advisories and patches from gryphonconnect. Update gryphon_tower_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-20145?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20145 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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