Vulnerability Monitor

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CVE-2014-2256

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 ISO-TSAP packets, a different vulnerability than CVE-2014-2257.

Published

2014-03-24T14:20:39.590

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens simatic_s7_cpu_1200_firmware ≤ 3.0.2 Yes
Operating System siemens simatic_s7_cpu_1200_firmware 3.0 Yes
Hardware siemens simatic_s7_cpu-1211c - Yes
Hardware siemens simatic_s7_cpu_1212c - Yes
Hardware siemens simatic_s7_cpu_1214c - Yes
Hardware siemens simatic_s7_cpu_1215c - Yes
Hardware siemens simatic_s7_cpu_1217c - Yes
References