Vulnerability Monitor

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CVE-2019-13945

A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-1200 CPU family < V4.x (incl. SIPLUS variants) (All versions), SIMATIC S7-1200 CPU family V4.x (incl. SIPLUS variants) (All versions with Function State (FS) < 11), SIMATIC S7-200 SMART CPU CR20s (6ES7 288-1CR20-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU CR30s (6ES7 288-1CR30-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU CR40 (6ES7 288-1CR40-0AA0) (All versions <= V2.2.2 and Function State (FS) <= 8), SIMATIC S7-200 SMART CPU CR40s (6ES7 288-1CR40-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU CR60 (6ES7 288-1CR60-0AA0) (All versions <= V2.2.2 and Function State (FS) <= 10), SIMATIC S7-200 SMART CPU CR60s (6ES7 288-1CR60-0AA1) (All versions <= V2.3.0 and Function State (FS) <= 3), SIMATIC S7-200 SMART CPU SR20 (6ES7 288-1SR20-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 11), SIMATIC S7-200 SMART CPU SR30 (6ES7 288-1SR30-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 10), SIMATIC S7-200 SMART CPU SR40 (6ES7 288-1SR40-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 10), SIMATIC S7-200 SMART CPU SR60 (6ES7 288-1SR60-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 12), SIMATIC S7-200 SMART CPU ST20 (6ES7 288-1ST20-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 9), SIMATIC S7-200 SMART CPU ST30 (6ES7 288-1ST30-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 9), SIMATIC S7-200 SMART CPU ST40 (6ES7 288-1ST40-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 8), SIMATIC S7-200 SMART CPU ST60 (6ES7 288-1ST60-0AA0) (All versions <= V2.5.0 and Function State (FS) <= 8), SIMATIC S7-200 SMART CPU family (All versions). There is an access mode used during manufacturing of the affected devices that allows additional diagnostic functionality. The security vulnerability could be exploited by an attacker with physical access to the UART interface during boot process.

Published

2019-12-12T14:15:15.133

Last Modified

2024-11-21T04:25:44.930

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.8 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-749
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens simatic_s7-1200_firmware * Yes
Hardware siemens simatic_s7-1200 - No
Operating System siemens s7-200_smart_firmware * Yes
Hardware siemens s7-200_smart - No
Operating System siemens simatic_s7-200_smart_cpu_st20_firmware ≤ 2.5.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_st20 - No
Operating System siemens simatic_s7-200_smart_cpu_st30_firmware ≤ 2.5.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_st30 - No
Operating System siemens simatic_s7-200_smart_cpu_st40_firmware ≤ 2.5.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_st40 - No
Operating System siemens simatic_s7-200_smart_cpu_st60_firmware ≤ 2.5.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_st60 - No
Operating System siemens simatic_s7-200_smart_cpu_sr20_firmware ≤ 2.5.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_sr20 - No
Operating System siemens simatic_s7-200_smart_cpu_sr30_firmware ≤ 2.5.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_sr30 - No
Operating System siemens simatic_s7-200_smart_cpu_sr40_firmware ≤ 2.5.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_sr40 - No
Operating System siemens simatic_s7-200_smart_cpu_sr60_firmware ≤ 2.5.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_sr60 - No
Operating System siemens simatic_s7-200_smart_cpu_cr40_firmware ≤ 2.2.2 Yes
Hardware siemens simatic_s7-200_smart_cpu_cr40 - No
Operating System siemens simatic_s7-200_smart_cpu_cr60_firmware ≤ 2.2.2 Yes
Hardware siemens simatic_s7-200_smart_cpu_cr60 - No
Operating System siemens simatic_s7-200_smart_cpu_cr20s_firmware ≤ 2.3.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_cr20s - No
Operating System siemens simatic_s7-200_smart_cpu_cr30s_firmware ≤ 2.3.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_cr30s - No
Operating System siemens simatic_s7-200_smart_cpu_cr40s_firmware ≤ 2.3.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_cr40s - No
Operating System siemens simatic_s7-200_smart_cpu_cr60s_firmware ≤ 2.3.0 Yes
Hardware siemens simatic_s7-200_smart_cpu_cr60s - No
References