CVE-2021-34581
HIGHWAGO 750-831/880/881/889 Firmware FW4-FW15 - Unauthenticated Denial of Service via OpenSSL Resource Leak
Title source: llmDescription
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.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_confirm
https://cert.vde.com/en-us/advisories/vde-2021-038
Scores
CVSS v3
7.5
EPSS
0.0099
EPSS Percentile
57.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-772
Status
published
Products (9)
wago/750-831\/000-002_firmware
fw4 - fw15
wago/750-831_firmware
fw4 - fw15
wago/750-880\/025-000_firmware
fw4 - fw15
wago/750-880\/025-001_firmware
fw4 - fw15
wago/750-880\/025-002_firmware
fw4 - fw15
wago/750-880\/040-000_firmware
fw4 - fw15
wago/750-880_firmware
fw4 - fw15
wago/750-881_firmware
fw4 - fw15
wago/750-889_firmware
fw4 - fw15
Published
Aug 31, 2021
Tracked Since
Feb 18, 2026