CRITICAL · 9.8

CVE-2021-34569

In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.

Vulnerability Description

In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Wago750-8100 Firmware< 18
Wago750-8100-
Wago750-8101 Firmware< 18
Wago750-8101-
Wago750-8101\/025-000 Firmware< 18
Wago750-8101\/025-000-
Wago750-8102 Firmware< 18
Wago750-8102-
Wago750-8102\/025-000 Firmware< 18
Wago750-8102\/025-000-
Wago750-8202 Firmware< 18
Wago750-8202-
Wago750-8202\/000-011 Firmware< 18
Wago750-8202\/000-011-
Wago750-8202\/000-012 Firmware< 18
Wago750-8202\/000-012-
Wago750-8202\/000-022 Firmware< 18
Wago750-8202\/000-022-
Wago750-8202\/025-000 Firmware< 18
Wago750-8202\/025-000-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-34569?

CVE-2021-34569 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.

How severe is CVE-2021-34569?

CVE-2021-34569 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-34569?

Check the references section above for vendor advisories and patch information. Affected products include: Wago 750-8100 Firmware, Wago 750-8100, Wago 750-8101 Firmware, Wago 750-8101, Wago 750-8101\/025-000 Firmware.