CVE-2021-27734

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Published May 17, 2021 CVSS 3.1 · 9.8 Critical EPSS 1.3% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:belden:hirschmann_hios::::::::
	cpe:2.3:o:belden:hirschmann_hios:07.1.01:::::::*
	cpe:2.3:o:belden:hirschmann_hios:07.1.02:::::::*
	cpe:2.3:o:belden:hisecos::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-14476	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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.3% (1.264% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://dam.belden.com/dmm3bwsv3/assetstream.aspx?assetid=12914&mediaformatid=50063&destinationid=10016

History

No history.

Subscriptions

Belden Hirschmann Hios Hisecos

Weaknesses

CWE-287

Sources

CVE record Updated: Aug 3, 2024, 9:26 PM

Status: PUBLISHED
Assigner: mitre
Published: May 17, 2021, 2:28 PM
Updated: Aug 3, 2024, 9:26 PM
Reserved: Feb 25, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:45 AM

Status: Modified
Published: May 17, 2021, 3:15 PM
Modified: Jun 17, 2026, 3:45 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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