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CVE-2018-1000621

26
FAUCET Score

CVE-2018-1000621 describes an Incorrect Access Control vulnerability in Mycroft AI mycroft-core version 18.2.8b and earlier, specifically impacting Mycroft for Linux and "non-enclosure" installations. This high-severity vulnerability (CVSS 8.1) allows for remote code execution due to an unsecured websocket server. While no fix is currently available, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 18.2.8bCPE matchmatch criteria
cpe:2.3:a:mycroft:mycroft-core:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.57%
Probability of exploitation in next 30 days
EPSS Percentile
83.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0257 is in the 41st percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

community.mycroft.ai / t/zero-click-remote-code-execution-in-mycroft-ai-vocal-assistant/3930/13
Vendor Advisory
github.com / Nhoya/MycroftAI-RCE
ExploitThird Party Advisory