CVE record · CVE-2022-43439

Improper input validation in Siemens POWER METER SICAM Q100 and others

CVSS 9.9 CriticalCriticalEPSS 0.021 · 81st percentile

Critical, because:

CVSS score 9.9: 9.0 or more.

Published by the CVE Program (CNA: siemens) at 8 Nov 2022, 00:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Siemens	POWER METER SICAM Q100	affected before V2.50 custom Other versions: unknown
Siemens	POWER METER SICAM Q100	affected before V2.50 custom Other versions: unknown
Siemens	POWER METER SICAM Q100	affected before V2.50 custom Other versions: unknown
Siemens	POWER METER SICAM Q100	affected before V2.50 custom Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P850	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown
Siemens	SICAM P855	affected All versions < V3.10 Other versions: unknown

And 1 more products. The full list is on the CVE record.

Identifiers: CVE-2022-43439
CNA: siemens
Weakness (CWE): CWE-20
Tags: Siemens POWER METER SICAM Q100
Siemens SICAM P850
Siemens SICAM P855
Siemens SICAM T
CWE-20
Published: 8 Nov 2022
Updated: 9 Dec 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.9	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C	CNA (siemens)

CISA KEV Not listed.
EPSS 0.021, the 81st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 8 Nov 2022. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.