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Vulnerability record · CVE-2018-4836 · published 25 January 2018

CVE-2018-4836: Siemens telecontrol server basic improper authentication vulnerability

Siemens · Telecontrol Server Basic

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.

8.8 CVSS 3.0 High EPSS 1.8% · top 22.4% CWE-287 · Improper authentication
8.8CVSS 3.0 base score, v2 6.5
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/102897 Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/102904 Third Party AdvisoryVDB Entry
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-651454.pdf PatchVendor Advisory
http://www.securityfocus.com/bid/102897 Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/102904 Third Party AdvisoryVDB Entry
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-651454.pdf PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2024-44102Siemens telecontrol server basic deserialization of untrusted data vulnerabilityA vulnerability has been identified in PP TeleControl Server Basic 1000 to 5000 V3.1 (6NH9910-0AA31-0AE1) (All versions < V3.1.2.1 with redundancy co…EPSS 1.00%9.3CVE-2025-40765Siemens telecontrol server basic missing authentication for critical function vulnerabilityA vulnerability has been identified in TeleControl Server Basic V3.1 (All versions >= V3.1.2.2 < V3.1.2.3). The affected application contains an info…EPSS 0.53%9.3CVE-2025-27495Siemens telecontrol server basic sql injection vulnerabilityA vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected application is vulnerable to SQL injection th…EPSS 1.0%9.3CVE-2025-27539Siemens telecontrol server basic sql injection vulnerabilityA vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected application is vulnerable to SQL injection th…EPSS 1.0%9.3CVE-2025-27540Siemens telecontrol server basic sql injection vulnerabilityA vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected application is vulnerable to SQL injection th…EPSS 0.99%8.7CVE-2025-32872Siemens telecontrol server basic sql injection vulnerabilityA vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected application is vulnerable to SQL injection th…EPSS 0.70%8.7CVE-2025-32866Siemens telecontrol server basic sql injection vulnerabilityA vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected application is vulnerable to SQL injection th…EPSS 0.70%8.7CVE-2025-32867Siemens telecontrol server basic sql injection vulnerabilityA vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected application is vulnerable to SQL injection th…EPSS 0.70%

Source: NIST National Vulnerability Database (record CVE-2018-4836), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.