Is CVE-2012-3031 being actively exploited?

CVE-2012-3031 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-3031?

CVE-2012-3031 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2012-3031

MEDIUM · CVSS 4.3EPSS 2.1%EU EUVD

Multiple cross-site scripting (XSS) vulnerabilities in WebNavigator in Siemens WinCC 7.0 SP3 and earlier, as used in SIMATIC PCS7 and other products, allow remote attackers to inject arbitrary web script or HTML via a (1) GET parameter, (2) POST parameter, or (3) Referer HTTP header.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-79
EPSS score: 2.1% (82th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-3009)
Published: September 18, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-3009 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

siemens / simatic pcs7
siemens / wincc
siemens / wincc
siemens / wincc
siemens / wincc
siemens / wincc
siemens / wincc
siemens / wincc
siemens / wincc
siemens / wincc
siemens / wincc

References

http://en.securitylab.ru/lab/PT-2012-42
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-864051.pdf(Patch, Vendor Advisory)
http://www.us-cert.gov/control_systems/pdf/ICSA-12-256-01.pdf(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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