CVE-2018-1000621

Name: CVE-2018-1000621
Creator: NVD / NIST
Published: 2018-07-09T20:29:00.783+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.57%

Last modified Jun 17, 2026

CVE-2018-1000621 is a vulnerability of currently unknown severity. Mycroft AI mycroft-core version 18.2.8b and earlier contains a Incorrect Access Control vulnerability in Websocket configuration that can result in code execution. This impacts ONLY the Mycroft for Linux and "non-enclosure" installs - Mark 1 and Picroft unaffected. EPSS estimates a 2.57% chance of exploitation in the next 30 days.

Description

Mycroft AI mycroft-core version 18.2.8b and earlier contains a Incorrect Access Control vulnerability in Websocket configuration that can result in code execution. This impacts ONLY the Mycroft for Linux and "non-enclosure" installs - Mark 1 and Picroft unaffected. This attack appear to be exploitable remote access to the unsecured websocket server. This vulnerability appears to have been fixed in No fix currently available.

Metrics

EPSS Probability

2.57%

83.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Mycroft	Mycroft-Core	<= 18.2.8b

References

https://community.mycroft.ai/t/zero-click-remote-code-execution-in-mycroft-ai-vocal-assistant/3930/13Vendor Advisory
https://github.com/Nhoya/MycroftAI-RCEExploit, Third Party Advisory
https://community.mycroft.ai/t/zero-click-remote-code-execution-in-mycroft-ai-vocal-assistant/3930/13Vendor Advisory
https://github.com/Nhoya/MycroftAI-RCEExploit, Third Party Advisory

Timeline

Published: Jul 9, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000621?

How severe is CVE-2018-1000621?

Severity scoring for CVE-2018-1000621 is pending analysis. The EPSS model estimates a 2.57% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000621?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000621?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST