CVE-2019-19753 (CVSS 9.1)

Description

SimpleMiningOS through v1259 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: the vendor indicated that they have no plans to fix this, and discourage deployment using public IPv4.

Is your site exposed to CVE-2019-19753?

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

CVSS v3.1 Score

9.1

CRITICAL

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

Weakness Type (CWE)

CWE-321 CWE-321

References

Other References

https://rsaxvc.net/blog/2020/4/10/Widespread_re-use_of_SSH_Host_Keys_in_Ethereum_Mining_Rig_Operating_Systems.html https://simplemining.net/page/changelog https://rsaxvc.net/blog/2020/4/10/Widespread_re-use_of_SSH_Host_Keys_in_Ethereum_Mining_Rig_Operating_Systems.html https://simplemining.net/page/changelog

Frequently Asked Questions

What is CVE-2019-19753? +

SimpleMiningOS through v1259 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: the vendor indicated that they have no plans to fix this, and discourage deployment using public IPv4. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2019-19753? +

CVE-2019-19753 has a CVSS v3.1 score of 9.1 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-2019-19753? +

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-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-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-2026-45433

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

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-2026-45041

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.2, crates/appauth/src/token.rs ships a 2048-bit RSA private key …

CVE-2019-19753