What’s Vulnerable › Vulnerabilities

CVE-2019-19752

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-30 · updated 2026-06-17
• Weakness: CWE-321

Description

nvOC through 3.2 ships with SSH host keys baked into the installation image, which allows man-in-the-middle attacks and makes identification of all public IPv4 nodes trivial with Shodan.io. NOTE: as of 2019-12-01, the vendor indicated plans to fix this in the next image build.

Affected products

• Fullzero Nvoc: 3.2

References

• https://github.com/papampi/nvOC_by_fullzero_Community_Release/commits/release
• https://rsaxvc.net/blog/2020/4/10/Widespread_re-use_of_SSH_Host_Keys_in_Ethereum_Mining_Rig_Operating_Systems.html
• https://github.com/papampi/nvOC_by_fullzero_Community_Release/commits/release
• https://rsaxvc.net/blog/2020/4/10/Widespread_re-use_of_SSH_Host_Keys_in_Ethereum_Mining_Rig_Operating_Systems.html

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