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.
Published: 2021-08-31
Score: 7.5 High
EPSS: 1.7% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

Update the device to the latest FW version ( >FW15 ).


Vendor Workaround

Restrict network access to the device. Do not directly connect the device to the internet Disable unused TCP/UDP-ports Disable Web Based Management ports 80/443 after configuration phase.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2021-21231 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.
History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.0121}

epss

{'score': 0.01583}


Subscriptions

Wago 750-831 750-831\/000-002 750-831\/000-002 Firmware 750-831 Firmware 750-880 750-880\/025-000 750-880\/025-000 Firmware 750-880\/025-001 750-880\/025-001 Firmware 750-880\/025-002 750-880\/025-002 Firmware 750-880\/040-000 750-880\/040-000 Firmware 750-880 Firmware 750-881 750-881 Firmware 750-889 750-889 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

Updated: 2024-09-17T00:42:35.318Z

Reserved: 2021-06-10T00:00:00.000Z

Link: CVE-2021-34581

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-08-31T11:15:07.830

Modified: 2024-11-21T06:10:44.833

Link: CVE-2021-34581

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses