ESPHome up to 2021.9.1 web_server missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in ESPHome up to 2021.9.1. This issue affects some unknown processing of the component web_server. Such manipulation leads to missing authentication. This vulnerability is documented as CVE-2021-41104. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in ESPHome up to 2021.9.1 and classified as critical. Affected by this issue is an unknown functionality of the component web_server. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability.

The weakness was released 09/28/2021 as GHSA-48mj-p7x2-5jfm. The advisory is available at github.com. This vulnerability is handled as CVE-2021-41104 since 09/15/2021. The technical details are unknown and an exploit is not available.

Upgrading to version 2021.9.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ESPHome 2021.9.2
Patch: github.com

Timelineinfo

09/15/2021 🔍
09/28/2021 +13 days 🔍
09/28/2021 +0 days 🔍
10/03/2021 +5 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-48mj-p7x2-5jfm
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41104 (🔍)
GCVE (CVE): GCVE-0-2021-41104
GCVE (VulDB): GCVE-100-183506

Entryinfo

Created: 09/28/2021 21:16
Updated: 10/03/2021 14:30
Changes: 09/28/2021 21:16 (51), 10/03/2021 14:30 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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