CVE-2020-25242

A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.

CVSS v3.0 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf	Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-07	Third Party Advisory US Government Resource

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:siemens:simatic_net_cp_343-1_advanced_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_net_cp_343-1_advanced:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:siemens:simatic_net_cp_343-1_lean_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_net_cp_343-1_lean:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:siemens:simatic_net_cp_343-1_standard_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_net_cp_343-1_standard:-:*:*:*:*:*:*:*

Information

Published : 2021-05-12 07:15

Updated : 2021-12-03 11:52

NVD link : CVE-2020-25242

Mitre link : CVE-2020-25242

JSON object : View

CWE

CWE-400

Uncontrolled Resource Consumption

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Products Affected

siemens

simatic_net_cp_343-1_lean_firmware
simatic_net_cp_343-1_standard
simatic_net_cp_343-1_lean
simatic_net_cp_343-1_advanced_firmware
simatic_net_cp_343-1_advanced
simatic_net_cp_343-1_standard_firmware

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