CVE-2021-34581
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductWago 750-889 Firmware
PublishedAug 31, 2021
First seenAug 31, 2021
Weakness typeCWE-772CWE-772
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wago 750-889_firmware | fw4 ≤ v ≤ fw15 | — |
| wago 750-880\/040-000_firmware | fw4 ≤ v ≤ fw15 | — |
| wago 750-880\/025-002_firmware | fw4 ≤ v ≤ fw15 | — |
| wago 750-880\/025-001_firmware | fw4 ≤ v ≤ fw15 | — |
| wago 750-880\/025-000_firmware | fw4 ≤ v ≤ fw15 | — |
| wago 750-831\/000-002_firmware | fw4 ≤ v ≤ fw15 | — |
| wago 750-881_firmware | fw4 ≤ v ≤ fw15 | — |
| wago 750-831_firmware | fw4 ≤ v ≤ fw15 | — |
| wago 750-880_firmware | fw4 ≤ v ≤ fw15 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.