CVE-2021-40828
Last modified
CVE-2021-40828 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Connections initialized by the AWS IoT Device SDK v2 for Java (versions prior to 1.3.3), Python (versions prior to 1.5.18), C++ (versions prior to 1.12.7) and Node.js (versions prior to 1.5.1) did not verify server certificate hostname during TLS handshake when overriding Certificate Authorities (CA) in their trust stores on Windows. This issue has been addressed in aws-c-io submodule versions 0.9.13 onward. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
Connections initialized by the AWS IoT Device SDK v2 for Java (versions prior to 1.3.3), Python (versions prior to 1.5.18), C++ (versions prior to 1.12.7) and Node.js (versions prior to 1.5.1) did not verify server certificate hostname during TLS handshake when overriding Certificate Authorities (CA) in their trust stores on Windows. This issue has been addressed in aws-c-io submodule versions 0.9.13 onward. This issue affects: Amazon Web Services AWS IoT Device SDK v2 for Java versions prior to 1.3.3 on Microsoft Windows. Amazon Web Services AWS IoT Device SDK v2 for Python versions prior to 1.5.18 on Microsoft Windows. Amazon Web Services AWS IoT Device SDK v2 for C++ versions prior to 1.12.7 on Microsoft Windows. Amazon Web Services AWS IoT Device SDK v2 for Node.js versions prior to 1.5.3 on Microsoft Windows.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Amazon | Amazon Web Services Aws-C-Io | < 0.9.13 |
| Amazon | Amazon Web Services Internet Of Things Device Software Development Kit V2 | < 1.3.3 |
| Amazon | Amazon Web Services Internet Of Things Device Software Development Kit V2 | < 1.5.1 |
| Amazon | Amazon Web Services Internet Of Things Device Software Development Kit V2 | < 1.5.18 |
| Amazon | Amazon Web Services Internet Of Things Device Software Development Kit V2 | < 1.12.7 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40828?
How severe is CVE-2021-40828?
How do I fix CVE-2021-40828?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-40822GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SS…7.5
- CVE-2021-40823A logic error in the room key sharing functionality of matri…5.9
- CVE-2021-40824A logic error in the room key sharing functionality of Eleme…5.9
- CVE-2021-40825nLight ECLYPSE (nECY) system Controllers running software pr…8.6
- CVE-2021-40826Clementine Music Player through 1.3.1 is vulnerable to a Use…7.8
- CVE-2021-40827Clementine Music Player through 1.3.1 (when a GLib 2.0.0 DLL…7.8
- CVE-2021-40829Connections initialized by the AWS IoT Device SDK v2 for Jav…8.8
- CVE-2021-4083A read-after-free memory flaw was found in the Linux kernel'…7
- CVE-2021-40830The AWS IoT Device SDK v2 for Java, Python, C++ and Node.js …8.8
- CVE-2021-40831The AWS IoT Device SDK v2 for Java, Python, C++ and Node.js …7.2
- CVE-2021-40832A Denial-of-Service (DoS) vulnerability was discovered in F-…6.5
- CVE-2021-40833A vulnerability affecting F-Secure antivirus engine was disc…5.5
Are you affected by CVE-2021-40828?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST