Is CVE-2012-3040 being actively exploited?

CVE-2012-3040 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-3040?

CVE-2012-3040 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2012-3040

MEDIUM · CVSS 4.3EPSS 2.6%EU EUVD

Cross-site scripting (XSS) vulnerability in the web server on Siemens SIMATIC S7-1200 PLCs 2.x through 3.0.1 allows remote attackers to inject arbitrary web script or HTML via a crafted URI.

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: 2.6% (85th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-3018)
Published: October 10, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-3018 in the EU Vulnerability Database. Last updated in EUVD on May 23, 2025.

View on the EU Vulnerability Database

Affected products

siemens / simatic s7-1200
siemens / simatic s7-1200 cpu 1211c
siemens / simatic s7-1200 cpu 1211c firmware
siemens / simatic s7-1200 cpu 1212c
siemens / simatic s7-1200 cpu 1212c firmware
siemens / simatic s7-1200 cpu 1212fc
siemens / simatic s7-1200 cpu 1212fc firmware
siemens / simatic s7-1200 cpu 1214 fc
siemens / simatic s7-1200 cpu 1214 fc firmware
siemens / simatic s7-1200 cpu 1214c
siemens / simatic s7-1200 cpu 1214c firmware
siemens / simatic s7-1200 cpu 1215 fc
siemens / simatic s7-1200 cpu 1215 fc firmware
siemens / simatic s7-1200 cpu 1215c
siemens / simatic s7-1200 cpu 1215c firmware
siemens / simatic s7-1200 cpu 1217c
siemens / simatic s7-1200 cpu 1217c firmware
siemens / simatic s7-1200 firmware

References

http://en.securitylab.ru/lab/PT-2012-50(Third Party Advisory)
http://osvdb.org/86130(Broken Link)
http://secunia.com/advisories/50816(Third Party Advisory)
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-279823.pdf(Broken Link, Vendor Advisory)
http://www.us-cert.gov/control_systems/pdf/ICSA-12-283-01.pdf(Broken Link, Third Party Advisory, US Government Resource)

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

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