What is CVE-2023-27471?

CVE-2023-27471 is an issue discovered in Insyde InsydeH2O with kernel 5.0 through 5.5 where UEFI implementations do not correctly protect and validate information contained in the 'MeSetup' UEFI variable.

How does CVE-2023-27471 affect Insyde InsydeH2O?

CVE-2023-27471 allows the 'MeSetup' UEFI variable to be overwritten using operating system APIs, potentially leading to exploitation of this vulnerability.

What is the severity of CVE-2023-27471?

CVE-2023-27471 has a severity rating of medium.

Which versions of Insyde InsydeH2O are affected by CVE-2023-27471?

Insyde InsydeH2O versions 5.0 through 5.5 are affected by CVE-2023-27471.

How can I fix CVE-2023-27471?

There is currently no official fix or patch available for CVE-2023-27471. It is recommended to stay updated with security advisories from Insyde or contact their support for further guidance.

Vulnerability/
CVE-2023-27471

medium

5.5

18/8/2023

7/10/2024

CVE-2023-27471

First published: Fri Aug 18 2023(Updated: )

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. UEFI implementations do not correctly protect and validate information contained in the 'MeSetup' UEFI variable. On some systems, this variable can be overwritten using operating system APIs. Exploitation of this vulnerability could potentially lead to denial of service for the platform.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Insyde InsydeH2O	=5.0
Insyde InsydeH2O	=5.1
Insyde InsydeH2O	=5.2
Insyde InsydeH2O	=5.3
Insyde InsydeH2O	=5.4
Insyde InsydeH2O	=5.5

Never miss a vulnerability like this again

Reference Links

https://www.insyde.com/security-pledge/SA-2023036

Frequently Asked Questions

What is CVE-2023-27471?
CVE-2023-27471 is an issue discovered in Insyde InsydeH2O with kernel 5.0 through 5.5 where UEFI implementations do not correctly protect and validate information contained in the 'MeSetup' UEFI variable.
How does CVE-2023-27471 affect Insyde InsydeH2O?
CVE-2023-27471 allows the 'MeSetup' UEFI variable to be overwritten using operating system APIs, potentially leading to exploitation of this vulnerability.
What is the severity of CVE-2023-27471?
CVE-2023-27471 has a severity rating of medium.
Which versions of Insyde InsydeH2O are affected by CVE-2023-27471?
Insyde InsydeH2O versions 5.0 through 5.5 are affected by CVE-2023-27471.
How can I fix CVE-2023-27471?
There is currently no official fix or patch available for CVE-2023-27471. It is recommended to stay updated with security advisories from Insyde or contact their support for further guidance.

collector/nvd-api
collector/nvd-index
agent/severity
agent/author
agent/references
agent/type
agent/event
agent/description
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
agent/tags
collector/mitre-cve
source/MITRE
vendor/insyde
canonical/insyde insydeh2o
version/insyde insydeh2o/5.0
version/insyde insydeh2o/5.1
version/insyde insydeh2o/5.2
version/insyde insydeh2o/5.3
version/insyde insydeh2o/5.4
version/insyde insydeh2o/5.5

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.