HIGH · 7.5

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 cra...

Vulnerability Description

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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
SiemensSimatic S7-200 Smart Sr Cpu Firmware>= 2.2, < 2.5.1
SiemensSimatic S7-200 Smart Sr Cpu-
SiemensSimatic S7-200 Smart St Cpu Firmware>= 2.2, < 2.5.1
SiemensSimatic S7-200 Smart St Cpu-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2020-7584?

CVE-2020-7584 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 cra...

How severe is CVE-2020-7584?

CVE-2020-7584 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-7584?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic S7-200 Smart Sr Cpu Firmware, Siemens Simatic S7-200 Smart Sr Cpu, Siemens Simatic S7-200 Smart St Cpu Firmware, Siemens Simatic S7-200 Smart St Cpu.