CVE-2021-40828 is a high-severity vulnerability affecting AWS IoT Device SDK v2 for Java, Python, C++, and Node.js on Windows, where connections failed to verify server certificate hostnames during TLS handshakes when custom Certificate Authorities were used. This flaw, rated 8.8 HIGH (CVSSv3.1), allows for potential Man-in-the-Middle attacks, leading to compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability. Organizations using affected SDK versions on Windows should update to patched versions of the aws-c-io submodule (0.9.13+) to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.9.13CPE matchmatch criteria | cpe:2.3:a:amazon:amazon_web_services_aws-c-io:*:*:*:*:*:*:*:* | ||
< 1.3.3CPE matchmatch criteria | cpe:2.3:a:amazon:amazon_web_services_internet_of_things_device_software_development_kit_v2:*:*:*:*:*:java:*:* | ||
< 1.5.1CPE matchmatch criteria | cpe:2.3:a:amazon:amazon_web_services_internet_of_things_device_software_development_kit_v2:*:*:*:*:*:node.js:*:* | ||
< 1.5.18CPE matchmatch criteria | cpe:2.3:a:amazon:amazon_web_services_internet_of_things_device_software_development_kit_v2:*:*:*:*:*:python:*:* | ||
< 1.12.7CPE matchmatch criteria | cpe:2.3:a:amazon:amazon_web_services_internet_of_things_device_software_development_kit_v2:*:*:*:*:*:c\+\+:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.