Vulnerability in Gryphonconnect Gryphon Tower
CVE-2021-20146
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Gryphonconnect Gryphon Tower
- Gryphonconnect Gryphon Tower Firmware
- Gryphon Tower Router — versions <= 04.0004.12 (Current)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.tenable.com/security/research/tra-2021-51 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-20146?
- CVE-2021-20146 is a critical-severity vulnerability in Gryphonconnect Gryphon Tower, classified under Insufficiently Protected Credentials. CVSS score: 9.8/10. Published 2021-12-09.
- How severe is CVE-2021-20146?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-20146 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.