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CVE-2021-34567

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CVE-2021-34567

Published: Nov 9, 2022

Modified: May 1, 2025

PUBLISHED

CVSS v3.1

8.2

HIGH

Description

In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read.

VendorProductVersions

WAGO

750-81xx/xxx-xxxFW

affected
FW1 - <= FW18 Patch 2

WAGO

750-82xx/xxx-xxx

affected
FW1 - <= FW18 Patch 2

WAGO

752-8303/8000-0002

affected
FW1 - <= FW18 Patch 2

WAGO

762-4xxx

affected
FW1 - <= FW18 Patch 2

WAGO

762-5xxx

affected
FW1 - <= FW18 Patch 2

WAGO

762-6xxx

affected
FW1 - <= FW18 Patch 2

Weaknesses (CWE)

CWE-125

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

References

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