Siemens SIMATIC IoT2050 Advanced prior 4.3.4.1 Node-RED HTTP interface improper authentication
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.5 | $0-$5k | 1.20 |
Summary
A vulnerability, which was classified as very critical, was found in Siemens SIMATIC IoT2050 Advanced. This affects an unknown function of the component Node-RED HTTP interface. The manipulation results in improper authentication. This vulnerability is known as CVE-2026-58115. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability, which was classified as very critical, was found in Siemens SIMATIC IoT2050 Advanced. Affected is some unknown functionality of the component Node-RED HTTP interface. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
A vulnerability has been identified in SIMATIC IoT2050 Advanced (6ES7647-0BA00-1YA2) (All versions < V4.3.4.1 running Industrial OS with Node-RED installed). Affected devices do not enforce authentication on the Node-RED HTTP interface, allowing unauthenticated access to programming nodes that are capable of executing system commands on the server. This could allow an unauthenticated remote attacker to create malicious flows through the HTTP interface in order to execute arbitrary code on the underlying server with maximum privileges.
The advisory is available at cert-portal.siemens.com. This vulnerability is traded as CVE-2026-58115 since 06/29/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/11/2026).
Upgrading to version 4.3.4.1 eliminates this vulnerability.
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Product
Type
Vendor
Name
License
Website
- Vendor: https://www.siemens.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.5
VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Improper authenticationCWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: SIMATIC IoT2050 Advanced 4.3.4.1
Timeline
06/29/2026 CVE reserved08/11/2026 Advisory disclosed
08/11/2026 VulDB entry created
08/11/2026 VulDB entry last update
Sources
Vendor: siemens.comAdvisory: cert-portal.siemens.com
Status: Confirmed
CVE: CVE-2026-58115 (🔒)
GCVE (CVE): GCVE-0-2026-58115
GCVE (VulDB): GCVE-100-388110
Entry
Created: 08/11/2026 14:46Changes: 08/11/2026 14:46 (54)
Complete: 🔍
Cache ID: 216::103
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