CVE-2013-4911

mediumpriority · track · 27EPSS 0.011 · 65 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.08% (65th) EPSS
CVSS 6.8 · medium
Is it mine?
7 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-24

Cross-site request forgery (CSRF) vulnerability in Siemens WinCC (TIA Portal) 11 and 12 before 12 SP1 allows remote attackers to hijack the authentication of unspecified victims by leveraging improper configuration of SIMATIC HMI panels by the WinCC product.

01

remediations

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

No vendor fix yet; a mitigation is available.

  • MitigationWinCC (TIA Portal) V11cisa_csaf_ot

    Siemens has produced a software update that resolves these vulnerabilities. The update can be applied to all versions of WinCC TIA Portal. Siemens recommends that asset owners and operators contact Siemens customer support to acquire the update. Siemens update information is located here: (http://support.automation.siemens.com/WW/view/en/73947391)

    http://support.automation.siemens.com/WW/view/en/73947391
  • MitigationWinCC (TIA Portal) V12cisa_csaf_ot

    Siemens has produced a software update that resolves these vulnerabilities. The update can be applied to all versions of WinCC TIA Portal. Siemens recommends that asset owners and operators contact Siemens customer support to acquire the update. Siemens update information is located here: (http://support.automation.siemens.com/WW/view/en/73947391)

    http://support.automation.siemens.com/WW/view/en/73947391
02

cvss

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

6.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4
v2.05.8mediumAV:N/AC:M/Au:N/C:N/I:P/A:Psecondary · CISA US
v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (7)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-13-213-02Siemens WinCC TIA Portal Vulnerabilities2013-05-04icsa · cisa_csaf_otUS

    This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

published 2013-08-01modified 2026-06-16
09

references (16)

External citations — patches, advisories, analysis.

scry

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