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TI-2024-20850 Aliases CVE-2024-31486GHSA-vrp4-mrfp-3j9c

Cleartext storage of sensitive information in Siemens OPUPI0 AMQP/MQTT

Priority LOW 27CWE-312Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-312.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00501 43rd percentileScored 2026-11-07
Fix Fixed OPUPI0 AMQP/MQTT (Siemens): V5.30

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensOPUPI0 AMQP/MQTTbefore V5.30V5.30Patch availableCNA
  • OPUPI0 AMQP/MQTT VendorSiemens Affected before V5.30 Fixed in V5.30 Patch available CNA

Remediation

  • Fix · CNA OPUPI0 AMQP/MQTT (Siemens) Fixed in V5.30

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-31486
  2. 2026-10-03 Alias added: GHSA-vrp4-mrfp-3j9c

References

Other 2

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
See all 2487 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences