AWS IoT Device SDK v2 certificate host validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in AWS IoT Device SDK v2. This vulnerability affects unknown code. Such manipulation leads to certificate host validation. This vulnerability is traded as CVE-2021-40828. Access to the local network is required for this attack to succeed. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in AWS IoT Device SDK v2 (version unknown) and classified as problematic. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a certificate host validation vulnerability. Using CWE to declare the problem leads to CWE-297. The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host. Impacted is confidentiality, integrity, and availability.

The weakness was shared 11/23/2021. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-40828 since 09/09/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.8
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.3
CNA Vector (F-Secure): 🔍

CVSSv2info

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

Exploitinginfo

Class: Certificate host validation
CWE: CWE-297 / CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: 🔍

Timelineinfo

09/09/2021 🔍
11/23/2021 +75 days 🔍
11/23/2021 +0 days 🔍
11/25/2021 +2 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-40828 (🔍)
GCVE (CVE): GCVE-0-2021-40828
GCVE (VulDB): GCVE-100-187124

Entryinfo

Created: 11/23/2021 07:46
Updated: 11/25/2021 19:20
Changes: 11/23/2021 07:46 (46), 11/25/2021 19:20 (1)
Complete: 🔍
Cache ID: 216::103

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