CVE-2020-7584

A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions >= V2.2 < V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : 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

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf	Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:siemens:simatic_s7-200_smart_sr_cpu_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_s7-200_smart_sr_cpu:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:siemens:simatic_s7-200_smart_st_cpu_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_s7-200_smart_st_cpu:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:37

Type	Values Removed	Values Added
References	~~() https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf - Vendor Advisory~~	() https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf - Vendor Advisory

Information

Published : 2020-07-14 14:15

Updated : 2024-11-21 05:37

NVD link : CVE-2020-7584

Mitre link : CVE-2020-7584

CVE.ORG link : CVE-2020-7584

JSON object : View

Products Affected

siemens

simatic_s7-200_smart_st_cpu_firmware
simatic_s7-200_smart_st_cpu
simatic_s7-200_smart_sr_cpu_firmware
simatic_s7-200_smart_sr_cpu

CWE

CWE-400

Uncontrolled Resource Consumption

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