Vulnerability Monitor

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CVE-2021-34568

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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 98 products from wago, from wago, from wago and 95 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2022-11-09T16:15:12.077

Last Modified

2024-11-21T06:10:42.647

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses

Type: Secondary
CWE-770

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	wago	750-8100_firmware	< 18	Yes
Operating System	wago	750-8100_firmware	18	Yes
Operating System	wago	750-8100_firmware	18	Yes
Operating System	wago	750-8100_firmware	18	Yes
Hardware	wago	750-8100	-	No
Operating System	wago	750-8101_firmware	< 18	Yes
Operating System	wago	750-8101_firmware	18	Yes
Operating System	wago	750-8101_firmware	18	Yes
Operating System	wago	750-8101_firmware	18	Yes
Hardware	wago	750-8101	-	No
Operating System	wago	750-8101\/025-000_firmware	< 18	Yes
Operating System	wago	750-8101\/025-000_firmware	18	Yes
Operating System	wago	750-8101\/025-000_firmware	18	Yes
Operating System	wago	750-8101\/025-000_firmware	18	Yes
Hardware	wago	750-8101\/025-000	-	No
Operating System	wago	750-8102_firmware	< 18	Yes
Operating System	wago	750-8102_firmware	18	Yes
Operating System	wago	750-8102_firmware	18	Yes
Operating System	wago	750-8102_firmware	18	Yes
Hardware	wago	750-8102	-	No
Operating System	wago	750-8102\/025-000_firmware	< 18	Yes
Operating System	wago	750-8102\/025-000_firmware	18	Yes
Operating System	wago	750-8102\/025-000_firmware	18	Yes
Operating System	wago	750-8102\/025-000_firmware	18	Yes
Hardware	wago	750-8102\/025-000	-	No
Operating System	wago	750-8202_firmware	< 18	Yes
Operating System	wago	750-8202_firmware	18	Yes
Operating System	wago	750-8202_firmware	18	Yes
Operating System	wago	750-8202_firmware	18	Yes
Hardware	wago	750-8202	-	No
Operating System	wago	750-8202\/000-011_firmware	< 18	Yes
Operating System	wago	750-8202\/000-011_firmware	18	Yes
Operating System	wago	750-8202\/000-011_firmware	18	Yes
Operating System	wago	750-8202\/000-011_firmware	18	Yes
Hardware	wago	750-8202\/000-011	-	No
Operating System	wago	750-8202\/000-012_firmware	< 18	Yes
Operating System	wago	750-8202\/000-012_firmware	18	Yes
Operating System	wago	750-8202\/000-012_firmware	18	Yes
Operating System	wago	750-8202\/000-012_firmware	18	Yes
Hardware	wago	750-8202\/000-012	-	No
Operating System	wago	750-8202\/000-022_firmware	< 18	Yes
Operating System	wago	750-8202\/000-022_firmware	18	Yes
Operating System	wago	750-8202\/000-022_firmware	18	Yes
Operating System	wago	750-8202\/000-022_firmware	18	Yes
Hardware	wago	750-8202\/000-022	-	No
Operating System	wago	750-8202\/025-000_firmware	< 18	Yes
Operating System	wago	750-8202\/025-000_firmware	18	Yes
Operating System	wago	750-8202\/025-000_firmware	18	Yes
Operating System	wago	750-8202\/025-000_firmware	18	Yes
Hardware	wago	750-8202\/025-000	-	No
Operating System	wago	750-8202\/025-001_firmware	< 18	Yes
Operating System	wago	750-8202\/025-001_firmware	18	Yes
Operating System	wago	750-8202\/025-001_firmware	18	Yes
Operating System	wago	750-8202\/025-001_firmware	18	Yes
Hardware	wago	750-8202\/025-001	-	No
Operating System	wago	750-8202\/025-002_firmware	< 18	Yes
Operating System	wago	750-8202\/025-002_firmware	18	Yes
Operating System	wago	750-8202\/025-002_firmware	18	Yes
Operating System	wago	750-8202\/025-002_firmware	18	Yes
Hardware	wago	750-8202\/025-002	-	No
Operating System	wago	750-8202\/040-000_firmware	< 18	Yes
Operating System	wago	750-8202\/040-000_firmware	18	Yes
Operating System	wago	750-8202\/040-000_firmware	18	Yes
Operating System	wago	750-8202\/040-000_firmware	18	Yes
Hardware	wago	750-8202\/040-000	-	No
Operating System	wago	750-8202\/040-001_firmware	< 18	Yes
Operating System	wago	750-8202\/040-001_firmware	18	Yes
Operating System	wago	750-8202\/040-001_firmware	18	Yes
Operating System	wago	750-8202\/040-001_firmware	18	Yes
Hardware	wago	750-8202\/040-001	-	No
Operating System	wago	752-8303\/8000-002_firmware	< 18	Yes
Operating System	wago	752-8303\/8000-002_firmware	18	Yes
Operating System	wago	752-8303\/8000-002_firmware	18	Yes
Operating System	wago	752-8303\/8000-002_firmware	18	Yes
Hardware	wago	752-8303\/8000-002	-	No
Operating System	wago	762-4101_firmware	< 18	Yes
Operating System	wago	762-4101_firmware	18	Yes
Operating System	wago	762-4101_firmware	18	Yes
Operating System	wago	762-4101_firmware	18	Yes
Hardware	wago	762-4101	-	No
Operating System	wago	762-4102_firmware	< 18	Yes
Operating System	wago	762-4102_firmware	18	Yes
Operating System	wago	762-4102_firmware	18	Yes
Operating System	wago	762-4102_firmware	18	Yes
Hardware	wago	762-4102	-	No
Operating System	wago	762-4103_firmware	< 18	Yes
Operating System	wago	762-4103_firmware	18	Yes
Operating System	wago	762-4103_firmware	18	Yes
Operating System	wago	762-4103_firmware	18	Yes
Hardware	wago	762-4103	-	No
Operating System	wago	762-4104_firmware	< 18	Yes
Operating System	wago	762-4104_firmware	18	Yes
Operating System	wago	762-4104_firmware	18	Yes
Operating System	wago	762-4104_firmware	18	Yes
Hardware	wago	762-4104	-	No
Operating System	wago	762-4201\/8000-001_firmware	< 18	Yes
Operating System	wago	762-4201\/8000-001_firmware	18	Yes
Operating System	wago	762-4201\/8000-001_firmware	18	Yes
Operating System	wago	762-4201\/8000-001_firmware	18	Yes
Hardware	wago	762-4201\/8000-001	-	No
Operating System	wago	762-4202\/8000-001_firmware	< 18	Yes
Operating System	wago	762-4202\/8000-001_firmware	18	Yes
Operating System	wago	762-4202\/8000-001_firmware	18	Yes
Operating System	wago	762-4202\/8000-001_firmware	18	Yes
Hardware	wago	762-4202\/8000-001	-	No
Operating System	wago	762-4203\/8000-001_firmware	< 18	Yes
Operating System	wago	762-4203\/8000-001_firmware	18	Yes
Operating System	wago	762-4203\/8000-001_firmware	18	Yes
Operating System	wago	762-4203\/8000-001_firmware	18	Yes
Hardware	wago	762-4203\/8000-001	-	No
Operating System	wago	762-4204\/8000-001_firmware	< 18	Yes
Operating System	wago	762-4204\/8000-001_firmware	18	Yes
Operating System	wago	762-4204\/8000-001_firmware	18	Yes
Operating System	wago	762-4204\/8000-001_firmware	18	Yes
Hardware	wago	762-4204\/8000-001	-	No
Operating System	wago	762-4205\/8000-001_firmware	< 18	Yes
Operating System	wago	762-4205\/8000-001_firmware	18	Yes
Operating System	wago	762-4205\/8000-001_firmware	18	Yes
Operating System	wago	762-4205\/8000-001_firmware	18	Yes
Hardware	wago	762-4205\/8000-001	-	No
Operating System	wago	762-4205\/8000-002_firmware	< 18	Yes
Operating System	wago	762-4205\/8000-002_firmware	18	Yes
Operating System	wago	762-4205\/8000-002_firmware	18	Yes
Operating System	wago	762-4205\/8000-002_firmware	18	Yes
Hardware	wago	762-4205\/8000-002	-	No
Operating System	wago	762-4206\/8000-001_firmware	< 18	Yes
Operating System	wago	762-4206\/8000-001_firmware	18	Yes
Operating System	wago	762-4206\/8000-001_firmware	18	Yes
Operating System	wago	762-4206\/8000-001_firmware	18	Yes
Hardware	wago	762-4206\/8000-001	-	No
Operating System	wago	762-4206\/8000-002_firmware	< 18	Yes
Operating System	wago	762-4206\/8000-002_firmware	18	Yes
Operating System	wago	762-4206\/8000-002_firmware	18	Yes
Operating System	wago	762-4206\/8000-002_firmware	18	Yes
Hardware	wago	762-4206\/8000-002	-	No
Operating System	wago	762-4301\/8000-002_firmware	< 18	Yes
Operating System	wago	762-4301\/8000-002_firmware	18	Yes
Operating System	wago	762-4301\/8000-002_firmware	18	Yes
Operating System	wago	762-4301\/8000-002_firmware	18	Yes
Hardware	wago	762-4301\/8000-002	-	No
Operating System	wago	762-4302\/8000-002_firmware	< 18	Yes
Operating System	wago	762-4302\/8000-002_firmware	18	Yes
Operating System	wago	762-4302\/8000-002_firmware	18	Yes
Operating System	wago	762-4302\/8000-002_firmware	18	Yes
Hardware	wago	762-4302\/8000-002	-	No
Operating System	wago	762-4303\/8000-002_firmware	< 18	Yes
Operating System	wago	762-4303\/8000-002_firmware	18	Yes
Operating System	wago	762-4303\/8000-002_firmware	18	Yes
Operating System	wago	762-4303\/8000-002_firmware	18	Yes
Hardware	wago	762-4303\/8000-002	-	No
Operating System	wago	762-4304\/8000-002_firmware	< 18	Yes
Operating System	wago	762-4304\/8000-002_firmware	18	Yes
Operating System	wago	762-4304\/8000-002_firmware	18	Yes
Operating System	wago	762-4304\/8000-002_firmware	18	Yes
Hardware	wago	762-4304\/8000-002	-	No
Operating System	wago	762-4305\/8000-002_firmware	< 18	Yes
Operating System	wago	762-4305\/8000-002_firmware	18	Yes
Operating System	wago	762-4305\/8000-002_firmware	18	Yes
Operating System	wago	762-4305\/8000-002_firmware	18	Yes
Hardware	wago	762-4305\/8000-002	-	No
Operating System	wago	762-4306\/8000-002_firmware	< 18	Yes
Operating System	wago	762-4306\/8000-002_firmware	18	Yes
Operating System	wago	762-4306\/8000-002_firmware	18	Yes
Operating System	wago	762-4306\/8000-002_firmware	18	Yes
Hardware	wago	762-4306\/8000-002	-	No
Operating System	wago	762-5203\/8000-001_firmware	< 18	Yes
Operating System	wago	762-5203\/8000-001_firmware	18	Yes
Operating System	wago	762-5203\/8000-001_firmware	18	Yes
Operating System	wago	762-5203\/8000-001_firmware	18	Yes
Hardware	wago	762-5203\/8000-001	-	No
Operating System	wago	762-5204\/8000-001_firmware	< 18	Yes
Operating System	wago	762-5204\/8000-001_firmware	18	Yes
Operating System	wago	762-5204\/8000-001_firmware	18	Yes
Operating System	wago	762-5204\/8000-001_firmware	18	Yes
Hardware	wago	762-5204\/8000-001	-	No
Operating System	wago	762-5205\/8000-001_firmware	< 18	Yes
Operating System	wago	762-5205\/8000-001_firmware	18	Yes
Operating System	wago	762-5205\/8000-001_firmware	18	Yes
Operating System	wago	762-5205\/8000-001_firmware	18	Yes
Hardware	wago	762-5205\/8000-001	-	No
Operating System	wago	762-5206\/8000-001_firmware	< 18	Yes
Operating System	wago	762-5206\/8000-001_firmware	18	Yes
Operating System	wago	762-5206\/8000-001_firmware	18	Yes
Operating System	wago	762-5206\/8000-001_firmware	18	Yes
Hardware	wago	762-5206\/8000-001	-	No
Operating System	wago	762-5303\/8000-002_firmware	< 18	Yes
Operating System	wago	762-5303\/8000-002_firmware	18	Yes
Operating System	wago	762-5303\/8000-002_firmware	18	Yes
Operating System	wago	762-5303\/8000-002_firmware	18	Yes
Hardware	wago	762-5303\/8000-002	-	No
Operating System	wago	762-5304\/8000-002_firmware	< 18	Yes
Operating System	wago	762-5304\/8000-002_firmware	18	Yes
Operating System	wago	762-5304\/8000-002_firmware	18	Yes
Operating System	wago	762-5304\/8000-002_firmware	18	Yes
Hardware	wago	762-5304\/8000-002	-	No
Operating System	wago	762-5305\/8000-002_firmware	< 18	Yes
Operating System	wago	762-5305\/8000-002_firmware	18	Yes
Operating System	wago	762-5305\/8000-002_firmware	18	Yes
Operating System	wago	762-5305\/8000-002_firmware	18	Yes
Hardware	wago	762-5305\/8000-002	-	No
Operating System	wago	762-5306\/8000-002_firmware	< 18	Yes
Operating System	wago	762-5306\/8000-002_firmware	18	Yes
Operating System	wago	762-5306\/8000-002_firmware	18	Yes
Operating System	wago	762-5306\/8000-002_firmware	18	Yes
Hardware	wago	762-5306\/8000-002	-	No
Operating System	wago	762-6201\/8000-001_firmware	< 18	Yes
Operating System	wago	762-6201\/8000-001_firmware	18	Yes
Operating System	wago	762-6201\/8000-001_firmware	18	Yes
Operating System	wago	762-6201\/8000-001_firmware	18	Yes
Hardware	wago	762-6201\/8000-001	-	No
Operating System	wago	762-6202\/8000-001_firmware	< 18	Yes
Operating System	wago	762-6202\/8000-001_firmware	18	Yes
Operating System	wago	762-6202\/8000-001_firmware	18	Yes
Operating System	wago	762-6202\/8000-001_firmware	18	Yes
Hardware	wago	762-6202\/8000-001	-	No
Operating System	wago	762-6203\/8000-001_firmware	< 18	Yes
Operating System	wago	762-6203\/8000-001_firmware	18	Yes
Operating System	wago	762-6203\/8000-001_firmware	18	Yes
Operating System	wago	762-6203\/8000-001_firmware	18	Yes
Hardware	wago	762-6203\/8000-001	-	No
Operating System	wago	762-6204\/8000-001_firmware	< 18	Yes
Operating System	wago	762-6204\/8000-001_firmware	18	Yes
Operating System	wago	762-6204\/8000-001_firmware	18	Yes
Operating System	wago	762-6204\/8000-001_firmware	18	Yes
Hardware	wago	762-6204\/8000-001	-	No
Operating System	wago	762-6301\/8000-002_firmware	< 18	Yes
Operating System	wago	762-6301\/8000-002_firmware	18	Yes
Operating System	wago	762-6301\/8000-002_firmware	18	Yes
Operating System	wago	762-6301\/8000-002_firmware	18	Yes
Hardware	wago	762-6301\/8000-002	-	No
Operating System	wago	762-6302\/8000-002_firmware	< 18	Yes
Operating System	wago	762-6302\/8000-002_firmware	18	Yes
Operating System	wago	762-6302\/8000-002_firmware	18	Yes
Operating System	wago	762-6302\/8000-002_firmware	18	Yes
Hardware	wago	762-6302\/8000-002	-	No
Operating System	wago	762-6303\/8000-002_firmware	< 18	Yes
Operating System	wago	762-6303\/8000-002_firmware	18	Yes
Operating System	wago	762-6303\/8000-002_firmware	18	Yes
Operating System	wago	762-6303\/8000-002_firmware	18	Yes
Hardware	wago	762-6303\/8000-002	-	No
Operating System	wago	762-6304\/8000-002_firmware	< 18	Yes
Operating System	wago	762-6304\/8000-002_firmware	18	Yes
Operating System	wago	762-6304\/8000-002_firmware	18	Yes
Operating System	wago	762-6304\/8000-002_firmware	18	Yes
Hardware	wago	762-6304\/8000-002	-	No

References

https://cert.vde.com/en/advisories/VDE-2020-036/ Vendor Advisory ([email protected])
https://cert.vde.com/en/advisories/VDE-2020-036/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For wago's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.