What’s Vulnerable › Vulnerabilities

CVE-2014-5074

• Severity: high (CVSS 7.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2014-08-17 · updated 2026-06-17

Description

Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.

Affected products

• Siemens Simatic S7-1500 Cpu Firmware: through 1.5.1; 1.0.1, 1.1.0, 1.1.1, 1.1.2, 1.5
• Siemens Simatic S7-1511-1 Pn Cpu: all versions
• Siemens Simatic S7-1513-1 Pn Cpu: all versions
• Siemens Simatic S7-1515-2 Pn Cpu: all versions
• Siemens Simatic S7-1516-3 Pn/Dp Cpu: all versions
• Siemens Simatic S7-1516F-3 Pn/Dp Cpu: all versions
• Siemens Simatic S7-1518-4 Pn/Dp Cpu: all versions
• Siemens Simatic S7-1518F-4 Pn/Dp Cpu: all versions

References

• http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-310688.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-310688.pdf
• https://ics-cert.us-cert.gov/advisories/ICSA-14-226-01
• https://www.exploit-db.com/exploits/44693/
• http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-310688.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-310688.pdf
• https://ics-cert.us-cert.gov/advisories/ICSA-14-226-01
• https://www.exploit-db.com/exploits/44693/

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