Vulnerability Monitor

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CVE-2019-19281

A vulnerability has been identified in SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V2.5 and < V20.8), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.5 and < V2.8), SIMATIC S7-1500 Software Controller (All versions >= V2.5 and < V20.8). Affected devices contain a vulnerability that allows an unauthenticated attacker to trigger a Denial-of-Service condition. The vulnerability can be triggered if specially crafted UDP packets are sent to the device. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise the device availability.

Published

2020-03-10T20:15:18.897

Last Modified

2024-11-21T04:34:29.350

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (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: Secondary
    CWE-400
  • Type: Primary
    CWE-400
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens simatic_et_200sp_open_controller_cpu_1515sp_pc2_firmware < 20.8 Yes
Hardware siemens simatic_et_200sp_open_controller_cpu_1515sp_pc2 - No
Operating System siemens simatic_s7-1500_cpu_1511-1_pn_firmware < 2.8 Yes
Hardware siemens simatic_s7-1500_cpu_1511-1_pn - No
Operating System siemens simatic_s7-1500_cpu_1513-1_pn_firmware < 2.8 Yes
Hardware siemens simatic_s7-1500_cpu_1513-1_pn - No
Operating System siemens simatic_s7-1500_cpu_1515-2_pn_firmware < 2.8 Yes
Hardware siemens simatic_s7-1500_cpu_1515-2_pn - No
Operating System siemens simatic_s7-1500_cpu_1516-3_pn_firmware < 2.8 Yes
Hardware siemens simatic_s7-1500_cpu_1516-3_pn - No
Operating System siemens simatic_s7-1500_cpu_1516-3_dp_firmware < 2.8 Yes
Hardware siemens simatic_s7-1500_cpu_1516-3_dp - No
Operating System siemens simatic_s7-1500_cpu_1517-3_pn_firmware < 2.8 Yes
Hardware siemens simatic_s7-1500_cpu_1517-3_pn - No
Operating System siemens simatic_s7-1500_cpu_1517-3_dp_firmware < 2.8 Yes
Hardware siemens simatic_s7-1500_cpu_1517-3_dp - No
Operating System siemens simatic_s7-1500_cpu_1518-4_pn_firmware < 2.8 Yes
Hardware siemens simatic_s7-1500_cpu_1518-4_pn - No
Operating System siemens simatic_s7-1500_cpu_1518-4_dp_firmware < 2.8 Yes
Hardware siemens simatic_s7-1500_cpu_1518-4_dp - No
Operating System siemens simatic_s7-1500_cpu_1507s_firmware < 20.8 Yes
Hardware siemens simatic_s7-1500_cpu_1507s - No
Operating System siemens simatic_s7-1500_cpu_1508s_firmware < 20.8 Yes
Hardware siemens simatic_s7-1500_cpu_1508s - No
Operating System siemens simatic_s7-1500_cpu_1507s_f_firmware < 20.8 Yes
Hardware siemens simatic_s7-1500_cpu_1507s_f - No
Operating System siemens simatic_s7-1500_cpu_1508s_f_firmware < 20.8 Yes
Hardware siemens simatic_s7-1500_cpu_1508s_f - No
References