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CVE-2018-21019

24
FAUCET Score

CVE-2018-21019 is an information disclosure vulnerability affecting Home Assistant versions prior to 0.67.0. An unauthenticated attacker could exploit this flaw to read the application's error log through the components/api.py endpoint. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a high impact on confidentiality with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.67.0CPE matchmatch criteria
cpe:2.3:a:home-assistant:home-assistant:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.68%
Probability of exploitation in next 30 days
EPSS Percentile
74.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0168 is in the 57th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: homeassistantFixed in: 0.67.0

Vendor Advisories (1)

pipGHSA-mh78-8f49-vjg3high

Home Assistant information disclosure vulnerability

May 24, 2022

References

github.com / home-assistant/home-assistant/pull/13836
PatchThird Party Advisory
github.com / home-assistant/home-assistant/releases/tag/0.67.0
Third Party Advisory