Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-34567

Severity CVSS v4.0:
Pending analysis
Type:
CWE-125 Out-of-bounds Read
Publication date:
09/11/2022
Last modified:
07/11/2023

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.20 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): High

Base Score 3.x
8.20
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:wago:750-8100_firmware:*:*:*:*:*:*:*:* 18 (excluding)
cpe:2.3:o:wago:750-8100_firmware:18:-:*:*:*:*:*:*
cpe:2.3:o:wago:750-8100_firmware:18:patch_1:*:*:*:*:*:*
cpe:2.3:o:wago:750-8100_firmware:18:patch_2:*:*:*:*:*:*
cpe:2.3:h:wago:750-8100:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8101_firmware:*:*:*:*:*:*:*:* 18 (excluding)
cpe:2.3:o:wago:750-8101_firmware:18:-:*:*:*:*:*:*
cpe:2.3:o:wago:750-8101_firmware:18:patch_1:*:*:*:*:*:*
cpe:2.3:o:wago:750-8101_firmware:18:patch_2:*:*:*:*:*:*
cpe:2.3:h:wago:750-8101:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-8101\/025-000_firmware:*:*:*:*:*:*:*:* 18 (excluding)
cpe:2.3:o:wago:750-8101\/025-000_firmware:18:-:*:*:*:*:*:*
cpe:2.3:o:wago:750-8101\/025-000_firmware:18:patch_1:*:*:*:*:*:*
cpe:2.3:o:wago:750-8101\/025-000_firmware:18:patch_2:*:*:*:*:*:*
cpe:2.3:h:wago:750-8101\/025-000:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools