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Case File

CVE-2021-27734

CRITICAL · CVSS 9.8 EPSS 1.26%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-17 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It may be remotely exploitable.

CVE
CVE-2021-27734
Severity
CRITICAL
CVSS
9.8
EPSS
1.26%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)