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TI-2018-03413 Aliases CVE-2018-4836GHSA-25wc-vm27-vmmq

Improper authentication in Siemens TeleControl Server Basic

Priority MEDIUM 42CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

A vulnerability has been identified in TeleControl Server Basic < V3.1. An authenticated attacker with a low-privileged account to the TeleControl Server Basic's port 8000/tcp could escalate his privileges and perform administrative operations.

Why it matters now

EPSS 0.01803 78th percentileScored 2026-11-07
Fix Fixed TeleControl Server Basic (Siemens AG): V3.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensTeleControl Server Basicbefore V3.1V3.1Patch availableCNA
  • TeleControl Server Basic VendorSiemens Affected before V3.1 Fixed in V3.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:siemens:telecontrol_server_basic:*:*:*:*:*:*:*:*before 3.1VulnerableSiemens
  • cpe:2.3:a:siemens:telecontrol_server_basic:*:*:*:*:*:*:*:* Versions before 3.1 Vulnerable ·Siemens

Remediation

  • Fix · CNA TeleControl Server Basic (Siemens AG) Fixed in V3.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-4836
  2. 2026-10-03 Alias added: GHSA-25wc-vm27-vmmq

References

Patch 1

  • TI-2024-29679 Deserialization of untrusted data in Siemens PP TeleControl Server Basic 1000 to 5000 V3.1 CVSS 4.0CRITICAL 10.0
  • TI-2025-20369 SQL injection in Siemens TeleControl Server Basic CVSS 4.0CRITICAL 9.3
  • TI-2025-20368 SQL injection in Siemens TeleControl Server Basic CVSS 4.0CRITICAL 9.3
  • TI-2025-20330 SQL injection in Siemens TeleControl Server Basic CVSS 4.0CRITICAL 9.3
  • TI-2019-04628 Improper handling of exceptional conditions in Siemens SIMATIC CP 443-1 OPC UA CVSS 3.1HIGH 7.5
  • TI-2025-27227 Missing authentication in Siemens TeleControl Server Basic V3.1 CVSS 4.0CRITICAL 9.3
See all 76 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences