CVE-2021-27734

—

CVSS 3.1

9.8 critical

EPSS

1%p68

Published

May 17, 2021 (May 17, 2021)

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.

Vendors: belden
Products: hirschmann hios, hisecos
Weakness: CWE-287
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.3%)

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