Vulnerability Description
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.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Belden | Hirschmann Hios | >= 08.1.00, < 08.6.00 |
| Belden | Hisecos | >= 03.3.00, <= 03.5.01 |
Related Weaknesses (CWE)
References
- https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50Vendor Advisory
- https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50Vendor Advisory
FAQ
What is CVE-2021-27734?
CVE-2021-27734 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2021-27734?
CVE-2021-27734 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-27734?
Check the references section above for vendor advisories and patch information. Affected products include: Belden Hirschmann Hios, Belden Hisecos.