CVE-2021-27734

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 17, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-27734: Critical severity, CVSS 9.8 | Vulnix