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Response snapshot Nov 3, 2026, 08:21 UTC

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VulnerabilityCVE-2026-58115Known exploitation

Attackers Exploit Critical Siemens IoT2050 Flaw to Plant Remote Command Backdoors

A maximum-severity security flaw impacting Siemens SIMATIC IoT2050 Advanced devices has come under active exploitation, VulnCheck has revealed.

At a glance

Exploited
Yes: reported by a cited source
Severity
10.0 Critical (CVSS 4.0)
Chance of exploitation
Not estimated
Sources
2 independent sources

What to do

Check the vendor advisory linked from the article for affected versions and fixes.

Read CVE Program CNA siemens (opens a new tab)

Scores and how they were measured

CVSS base severity

10.0

Version 4.0As of

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Measurement source (opens a new tab)

How bad it is if exploited. Not a prediction of exploitation or proof you are exposed.

EPSS probability

Not available

A model's estimate of exploitation in the next 30 days, not certainty or your own risk.

Related technology

Sources

  1. Reporting

    The Hacker News: Attackers Exploit Critical Siemens IoT2050 Flaw to Plant Remote Command Backdoors (opens a new tab)

    The article reports exploitation in the wild (attempted or successful). It is reporting, not independently primary-confirmed.

    Published Checked

  2. Reporting

    The Hacker News syndication feed (opens a new tab)

    The RSS/Atom/RDF entry supplied this exact link and any available title, date, and excerpt.

    Published Date not suppliedChecked

  3. Primary source

    CVE Program CNA siemens (opens a new tab)

    The published CVE-2026-58115 document's CNA supplies this CVSS 4.0 base score, vector, and authoritative source update date.

    Published Checked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, November 3). Attackers Exploit Critical Siemens IoT2050 Flaw to Plant Remote Command Backdoors (CVE-2026-58115). https://kevwire.com/record/CVE-2026-58115

MLA

"Attackers Exploit Critical Siemens IoT2050 Flaw to Plant Remote Command Backdoors (CVE-2026-58115)." KEVWire, 3 Nov. 2026, kevwire.com/record/CVE-2026-58115.

Chicago

KEVWire. "Attackers Exploit Critical Siemens IoT2050 Flaw to Plant Remote Command Backdoors (CVE-2026-58115)." Last modified November 3, 2026. https://kevwire.com/record/CVE-2026-58115.

Evidence summary (plain text)

Attackers Exploit Critical Siemens IoT2050 Flaw to Plant Remote Command Backdoors (Nov 3, 2026).
A maximum-severity security flaw impacting Siemens SIMATIC IoT2050 Advanced devices has come under active exploitation, VulnCheck has revealed.
CVSS 10.0 (version 4.0; evidence as of Aug 11, 2026; https://cveawg.mitre.org/api/cve/CVE-2026-58115).
Sources:
The Hacker News: Attackers Exploit Critical Siemens IoT2050 Flaw to Plant Remote Command Backdoors: https://thehackernews.com/2026/11/attackers-exploit-critical-siemens.html
The Hacker News syndication feed: https://feeds.feedburner.com/TheHackersNews
CVE Program CNA siemens: https://cveawg.mitre.org/api/cve/CVE-2026-58115
Record ID: CVE-2026-58115.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Documented by a cited source.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
About this data

This record was ingested from a data source. Retrieved: Nov 3, 2026, 08:20 UTC. Ingestion is not an independent editorial investigation.

Syndicated reporting, unreviewed by KEVWire and not independently primary-confirmed. Consult the exact article and any primary disclosure it links.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

Record JSON

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Record details

Record detail