---
title: "CVE-2026-58115: Siemens SIMATIC IoT2050 Advanced vulnerability"
url: https://erroneo.us/security/cve/CVE-2026-58115/
description: "CVE-2026-58115 (Siemens SIMATIC IoT2050 Advanced): A vulnerability has been identified in SIMATIC IoT2050 Advanced (6ES7647-0BA00-1YA2) (All versions"
type: vulnerability-record
section: "Security Digest"
date_published: 2026-08-11
date_modified: 2026-11-03
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2026-58115"
kev: false
cvss: 10
epss: 0.0089
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2026-58115: Siemens SIMATIC IoT2050 Advanced vulnerability

**Signal:** Critical and remotely reachable. No known exploitation yet, but it is network-reachable without credentials. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- No confirmed exploitation. It is not in CISA’s KEV catalog and CISA’s SSVC assessment records no known exploitation. That can change quickly after a public write-up; re-check if you are affected.
- EPSS 0.9% , percentile 59: FIRST’s model estimates a 0.9% chance of exploitation activity in the next 30 days, higher than 59% of all scored CVEs (moderate). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.
- Editorial verdict: Check exposure. Node-RED CVE-2026-58115: Open Editors Exploited for RCE — The CVE names one Siemens device, but the attack is a single unauthenticated POST /flows request that works on any Node-RED editor reachable without adminAuth; if you have one exposed, treat it as compromised, lock it down today and rebuild.

## What it is

A vulnerability has been identified in SIMATIC IoT2050 Advanced (6ES7647-0BA00-1YA2) (All versions

## Affected products (CVE record)

- Siemens SIMATIC IoT2050 Advanced: < V4.3.4.1

## Severity

- siemens CVSS 3.1: 10 `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`
- siemens CVSS 4.0: 10 `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`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation none , automatable yes , technical impact total .
- FIRST EPSS (model of 2026-11-05): 0.89% probability of exploitation activity in the next 30 days; percentile 59.

## Sources

- [CVE.org record CVE-2026-58115](https://www.cve.org/CVERecord?id=CVE-2026-58115)
- [NVD entry CVE-2026-58115](https://nvd.nist.gov/vuln/detail/CVE-2026-58115)
- [cert-portal.siemens.com](https://cert-portal.siemens.com/productcert/html/ssa-834709.html)

---
Source page: https://erroneo.us/security/cve/CVE-2026-58115/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt