CVE-2018-4836

mediumpriority · track · 36EPSS 0.018 · 78 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.80% (78th) EPSS

CVSS 6.5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedTeleControl Server Basiccisa_csaf_ot
For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-65145.
http://www.siemens.com/cert/en/cert-security-advisories.htm
MitigationTeleControl Server Basiccisa_csaf_ot
If TeleControl Server Basic is operated in redundancy mode, then users can use the Windows firewall to restrict access to Port 8000/TCP to the second TeleControl Server Basics' IP address to mitigate vulnerabilities CVE-2018-4835 and CVE-2018-4836.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.08.1highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-287US

affected products (4)

Products and version ranges known to be affected.

TeleControl Server Basic: versions prior to V3.1all versionscisa_csaf_otUS
Siemens TeleControl Server Basic< 3.1cisa_csaf_otUS
Siemens AG TeleControl Server BasicAll versions → V3.1enisa_euvdEU
siemens telecontrol server basic< 3.1nvdUScpe:2.3:a:siemens:telecontrol_server_basic:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-18-030-02Siemens TeleControl Server Basic2018-01-30icsa · cisa_csaf_otUS
ATTENTION: Remotely exploitable/low skill level to exploit.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2018-01-25modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

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