CVE & CISA-KEV Catalog

CVE-2012-3040

MEDIUMEPSS 83th pctl
4.3
CVSS v2
NVD

Description

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.

How to fix

Remediation Available
simatic s7-1200 cpu 1211c firmwareNVD
Affected:>= 2.0.0, < 3.0.2Fixed in:3.0.2CVE-2012-3040derived from NVD
simatic s7-1200 cpu 1212c firmwareNVD
Affected:>= 2.0.0, < 3.0.2Fixed in:3.0.2CVE-2012-3040derived from NVD
simatic s7-1200 cpu 1212fc firmwareNVD
Affected:>= 2.0.0, < 3.0.2Fixed in:3.0.2CVE-2012-3040derived from NVD
simatic s7-1200 cpu 1214 fc firmwareNVD
Affected:>= 2.0.0, < 3.0.2Fixed in:3.0.2CVE-2012-3040derived from NVD
simatic s7-1200 cpu 1214c firmwareNVD
Affected:>= 2.0.0, < 3.0.2Fixed in:3.0.2CVE-2012-3040derived from NVD
simatic s7-1200 cpu 1215 fc firmwareNVD
Affected:>= 2.0.0, < 3.0.2Fixed in:3.0.2CVE-2012-3040derived from NVD
simatic s7-1200 cpu 1215c firmwareNVD
Affected:>= 2.0.0, < 3.0.2Fixed in:3.0.2CVE-2012-3040derived from NVD
simatic s7-1200 cpu 1217c firmwareNVD
Affected:>= 2.0.0, < 3.0.2Fixed in:3.0.2CVE-2012-3040derived from NVD
simatic s7-1200 firmwareNVD
Affected:>= 2.0.0, < 3.0.2Fixed in:3.0.2CVE-2012-3040derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.56%probability of exploitation in 30 days
83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Vendor Advisory1
Other references1

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-11022Medium6.999%-Fix
CVE-2019-3929Critical9.899%KEVFix
CVE-2020-9496Medium6.199%--
CVE-2023-28341Medium6.199%-Fix
CVE-2018-12998Medium6.198%--
CVE-2025-4123High7.698%-Fix
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CVE-2012-3040 severity badge

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.