CVE-2014-2257
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to...
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets.
Exploit likelihood
What each source reports
NVD Score used
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets.
- Record
CVE-2014-2257- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets.
- Record
CVE-2014-2257- Updated
- 2026-11-02
EUVDEUVD-2014-2296 No score
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets.
- Record
EUVD-2014-2296- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pj6m-28cc-c3ww No score
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to...
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets.
- Record
GHSA-pj6m-28cc-c3ww- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-2257 is a high vulnerability (CVSS 7.8) in Siemens Simatic S7-1500 Cpu Firmware, published March 16, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.46%, the 89th percentile. No source names a fixed version.