CVE-2024-31486

mediumpriority · track · 0OT risk · elevatedEPSS 0.005 · 42 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.50% (42nd) EPSS

CVSS 5.3 · medium

Is it mine?

7 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedOPUPI0 AMQP/MQTTsiemens_psirt
Update to V5.30 or later version The firmware OPUPI0 V5.30 is present within "CP-8031/CP-8050 Package" V5.30
FixedOPUPI0 AMQP/MQTTcisa_csaf_ot
Update to V5.30 or later version The firmware OPUPI0 V5.30 is present within "CP-8031/CP-8050 Package" V5.30

cvss

Technical severity, 0–10. One row per scoring source.

6.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.3–6

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · productcert@siemens.com DEexploitability 1.6 · impact 3.6

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · Siemens ProductCERT DE

v3.15.3mediumAV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · CISA US

v4.06mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · productcert@siemens.com DE

v4.06mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.02.3lowCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-312USCWE-312USCWE-312USCWE-312US

affected products (7)

Products and version ranges known to be affected.

Siemens SICAM AK3all versionscert_bundDEcpe:/h:siemens:sicam:ak3
OPUPI0 AMQP/MQTTall versionscisa_csaf_otUS
Siemens OPUPI0 AMQP/MQTT< V5.30cisa_csaf_otUS
Siemens OPUPI0 AMQP/MQTT0 → V5.30enisa_euvdEU
Siemens AG CP-8031 MASTER MODULE≤ OPUPI0 5.30fstec_bduRU
Siemens AG CP-8050 MASTER MODULE≤ OPUPI0 5.30fstec_bduRU
Siemens OPUPI0 AMQP/MQTT< V5.30siemens_psirtDE

advisories (3)

Vendor and ecosystem advisories describing this.

SSA-871704SSA-871704: Multiple Vulnerabilities in SICAM Products2024-05-14csaf · siemens_psirtDE
Multiple SICAM products are affected by vulnerabilities that could lead to privilege escalation, remote code execution or information loss namely: - SICAM A8000 device firmwares - CPC80 for CP-8000/CP-8021/CP-8022 - CPCI85 and OPUPI0 for CP-8031/CP-8050 - SICAM EGS firmware - CPCI85 and OPUPI0 - SICAM 8 Software Solution - SICORE Siemens has released new versions for the affected firmwares and recommends to update to the latest versions.
WID-SEC-W-2024-1111Siemens SICAM: Mehrere SchwachstellenDeutsch2024-05-13csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Siemens SICAM ausnutzen, um beliebigen Programmcode auszuführen und um um vertrauliche Informationen offenzulegen.
ICSA-24-137-02Siemens SICAM Products2024-05-14icsa · cisa_csaf_otUS
Multiple SICAM products are affected by vulnerabilities that could lead to privilege escalation, remote code execution or information loss namely: - SICAM A8000 device firmwares - CPC80 for CP-8000/CP-8021/CP-8022 - CPCI85 and OPUPI0 for CP-8031/CP-8050 - SICAM EGS firmware - CPCI85 and OPUPI0 - SICAM 8 Software Solution - SICORE Siemens has released new versions for the affected firmwares and recommends to update to the latest versions.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund cisa_csaf_ot siemens_psirt NVD CVE.org MITRE

published 2024-05-14modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

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