CVE-2024-31486

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-14 · updated 2026-06-17
Weakness: CWE-312

Description

A vulnerability has been identified in OPUPI0 AMQP/MQTT (All versions < V5.30). The affected devices stores MQTT client passwords without sufficient protection on the devices. An attacker with remote shell access or physical access could retrieve the credentials leading to confidentiality loss.

Affected products

Siemens OPUPI0 AMQP/MQTT: before V5.30 — fixed in V5.30

How to fix

Upgrade to a fixed version: Siemens OPUPI0 AMQP/MQTT V5.30. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2024/Jul/4
https://cert-portal.siemens.com/productcert/html/ssa-871704.html
http://seclists.org/fulldisclosure/2024/Jul/4
http://seclists.org/fulldisclosure/2025/Feb/19
https://cert-portal.siemens.com/productcert/html/ssa-871704.html

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