CVE-2021-27734: Critical severity belden hirschmann hios vulnerability
Hirschmann HiOS 07.1.01, 07.1.02, and 08.1.00 through 08.5.xx and HiSecOS 03.3.00 through 03.5.01 allow remote attackers to change the credentials of existing users.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-27734?
The severity of CVE-2021-27734 is critical with a CVSS score of 9.8.
How can remote attackers exploit CVE-2021-27734?
Remote attackers can exploit CVE-2021-27734 to change the credentials of existing users.
Which products are affected by CVE-2021-27734?
Hirschmann HiOS versions 07.1.01, 07.1.02, and 08.1.00 through 08.5.xx, and HiSecOS versions 03.3.00 through 03.5.01 are affected by CVE-2021-27734.
How can I fix CVE-2021-27734?
It is recommended to update to versions 08.6.00 for Hirschmann HiOS and 03.5.01 for HiSecOS to fix CVE-2021-27734.
Where can I find more information about CVE-2021-27734?
You can find more information about CVE-2021-27734 at the following link: [link](https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016)