CVE-2019-19752 (CVSS 9.8)

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.

Is your site exposed to CVE-2019-19752?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-321 CWE-321

References

Other 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

Frequently Asked Questions

What is CVE-2019-19752? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2019-19752? +

CVE-2019-19752 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

How do I check if I'm vulnerable to CVE-2019-19752? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-46395

HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0, the `hmacBase64()` function in the …

CVE-2026-42518

This vulnerability exists in e-Sushrut due to disclosure of sensitive information and hardcoded AES encryption keys in client-side JavaScript. An …

CVE-2025-1099

This vulnerability exists in Tapo C500 Wi-Fi camera due to hard-coded RSA private key embedded within the device firmware. An …

CVE-2026-9770

Kasa EC71 v4 and EC70 v4 firmware contains a static cryptographic private key stored in a read-only filesystem that is …

CVE-2026-45433

This vulnerability exists in GX Earth 2022 ONT models due to the presence of hardcoded RSA private key within the …

CVE-2025-34500

Deck Mate 2's firmware update mechanism accepts packages without cryptographic signature verification, encrypts them with a single hard-coded AES key …

CVE-2019-19752