CVE & CISA-KEV Catalog

CVE-2012-3037

MEDIUMEPSS 71th pctl

4.3

CVSS v2

Description

The Siemens SIMATIC S7-1200 2.x PLC does not properly protect the private key of the SIMATIC CONTROLLER Certification Authority certificate, which allows remote attackers to spoof the S7-1200 web server by using this key to create a forged certificate.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

simatic s7-1200 cpu 1211c firmwareNVD

Affected:>= 2.0.0, < 3.0.0Fixed in:3.0.0CVE-2012-3037derived from NVD

simatic s7-1200 cpu 1212c firmwareNVD

Affected:>= 2.0.0, < 3.0.0Fixed in:3.0.0CVE-2012-3037derived from NVD

simatic s7-1200 cpu 1212fc firmwareNVD

Affected:>= 2.0.0, < 3.0.0Fixed in:3.0.0CVE-2012-3037derived from NVD

simatic s7-1200 cpu 1214 fc firmwareNVD

Affected:>= 2.0.0, < 3.0.0Fixed in:3.0.0CVE-2012-3037derived from NVD

simatic s7-1200 cpu 1214c firmwareNVD

Affected:>= 2.0.0, < 3.0.0Fixed in:3.0.0CVE-2012-3037derived from NVD

simatic s7-1200 cpu 1215 fc firmwareNVD

Affected:>= 2.0.0, < 3.0.0Fixed in:3.0.0CVE-2012-3037derived from NVD

simatic s7-1200 cpu 1215c firmwareNVD

Affected:>= 2.0.0, < 3.0.0Fixed in:3.0.0CVE-2012-3037derived from NVD

simatic s7-1200 cpu 1217c firmwareNVD

Affected:>= 2.0.0, < 3.0.0Fixed in:3.0.0CVE-2012-3037derived from NVD

simatic s7-1200 firmwareNVD

Affected:>= 2.0.0, < 3.0.0Fixed in:3.0.0CVE-2012-3037derived 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

1.47%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Vendor Advisory1

siemens.com

Third-Party Advisory2

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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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.