CVE-2023-41898

highpriority · track · 41OT risk · elevatedEPSS 0.002 · 7 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.18% (7th) EPSS

CVSS 7.8 · high

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Home assistant is an open source home automation. The Home Assistant Companion for Android app up to version 2023.8.2 is vulnerable to arbitrary URL loading in a WebView. This enables all sorts of attacks, including arbitrary JavaScript execution, limited native code execution, and credential theft. This issue has been patched in version 2023.9.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability. This issue is also tracked as GitHub Security Lab (GHSL) Vulnerability Report: `GHSL-2023-142`.

cvss

Technical severity, 0–10. One row per scoring source.

8.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.18.6highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.6highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · security-advisories@github.comexploitability 1.8 · impact 6

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimaryCWE-345US

exploits (1)

Public proof-of-concept and weaponised exploit code.

LazyBear8372/CVE-2023-41898_LabLazyBear8372/CVE-2023-41898_LabPoC · poc_in_github

affected products (2)

Products and version ranges known to be affected.

home-assistant core≤ < 2023.9.2enisa_euvdEU
home-assistant home assistant companion< 2023.9.2nvdUScpe:2.3:a:home-assistant:home_assistant_companion:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2023-10-19modified 2026-06-17

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+10444 more

references (4)

External citations — patches, advisories, analysis.

scry

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