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

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CVE-2021-34581

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
31/08/2021
Last modified:
09/09/2021

Description

Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.

Impact

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

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:wago:750-880\/040-000_firmware:*:*:*:*:*:*:*:* fw4 (including) fw15 (including)
cpe:2.3:h:wago:750-880\/040-000:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-880\/025-002_firmware:*:*:*:*:*:*:*:* fw4 (including) fw15 (including)
cpe:2.3:h:wago:750-880\/025-002:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-880\/025-001_firmware:*:*:*:*:*:*:*:* fw4 (including) fw15 (including)
cpe:2.3:h:wago:750-880\/025-001:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-880\/025-000_firmware:*:*:*:*:*:*:*:* fw4 (including) fw15 (including)
cpe:2.3:h:wago:750-880\/025-000:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-831\/000-002_firmware:*:*:*:*:*:*:*:* fw4 (including) fw15 (including)
cpe:2.3:h:wago:750-831\/000-002:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:* fw4 (including) fw15 (including)
cpe:2.3:h:wago:750-889:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:* fw4 (including) fw15 (including)
cpe:2.3:h:wago:750-881:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:* fw4 (including) fw15 (including)

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


References to Advisories, Solutions, and Tools