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Vulnerability record · CVE-2014-2258 · published 24 March 2014

CVE-2014-2258: Siemens simatic s7 cpu 1200 firmware vulnerability

Siemens · Simatic S7 Cpu 1200 Firmware

Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTPS packets, a different vulnerability than CVE-2014-2259.

7.8 CVSS 2.0 High EPSS 4.6% · top 8.6% CWE-399 · CWE-399
7.8CVSS 2.0 base score
4.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTPS packets, a different vulnerability than CVE-2014-2259.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02 US Government Resource
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-654382.pdf
http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02 US Government Resource
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-654382.pdf

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.3CVE-2014-2250Siemens simatic s7 cpu 1200 firmware vulnerabilityThe random-number generator on Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 does not have sufficient entropy, which makes it easi…EPSS 3.2%7.8CVE-2014-2254Siemens simatic s7 cpu 1200 firmware vulnerabilitySiemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via cra…EPSS 4.6%7.8CVE-2014-2256Siemens simatic s7 cpu 1200 firmware vulnerabilitySiemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via cra…EPSS 3.6%6.5CVE-2016-2846Siemens simatic s7 cpu 1200 firmware vulnerabilitySiemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a "user program block" protection mechanism via unspecified vectors.EPSS 1.7%6.1CVE-2014-2252Siemens simatic s7 cpu 1200 firmware vulnerabilitySiemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via cra…EPSS 1.3%5.8CVE-2014-2909Siemens simatic s7 cpu 1200 firmware code injection vulnerabilityCRLF injection vulnerability in the integrated web server on Siemens SIMATIC S7-1200 CPU devices 2.x and 3.x allows remote attackers to inject arbitr…EPSS 2.4%4.3CVE-2014-2908Siemens simatic s7 cpu 1200 firmware cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in the integrated web server on Siemens SIMATIC S7-1200 CPU devices 2.x and 3.x allows remote attackers to i…EPSS 21%8.8CVE-2010-0806Microsoft Internet Explorer Peer Objects use-after-free allows remote code executionInternet Explorer 6, 6 SP1 and 7 contain a use-after-free in the Peer Objects component (iepeers.dll), where an object is accessed after deletion, le…KEVEPSS 82%analysed

Source: NIST National Vulnerability Database (record CVE-2014-2258), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.