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Fencer Intel
medium 5.8

CVE-2013-4912 json

Open redirect vulnerability in Siemens WinCC (TIA Portal) 11 and 12 before 12 SP1 allows remote attackers to redirect users to arbitrary we…

published 13y ago modified 4mo ago also EUVD-2013-4757

cvss
5.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Open redirect vulnerability in Siemens WinCC (TIA Portal) 11 and 12 before 12 SP1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks by leveraging improper configuration of SIMATIC HMI panels by the WinCC product.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-13-213-02 updated cvss 4.3

Siemens WinCC TIA Portal Vulnerabilities

  • Siemens WinCC (TIA Portal) V11 Siemens WinCC (TIA Portal) V12 <V12_SP1
    affected: mitigation “Siemens security advisory is located here: (http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-064884.pdf)”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.07% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.