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HIGH · 7.5

CVE-2018-13805

A vulnerability has been identified in SIMATIC ET 200SP Open Controller (All versions >= V2.0 and < V2.1.6), SIMATIC S7-1500 Software Controller (All versions >= V2.0 and < V2.5), SIMATIC S7-1500 incl...

Vulnerability Description

A vulnerability has been identified in SIMATIC ET 200SP Open Controller (All versions >= V2.0 and < V2.1.6), SIMATIC S7-1500 Software Controller (All versions >= V2.0 and < V2.5), SIMATIC S7-1500 incl. F (All versions >= V2.0 and < V2.5). An attacker can cause a denial-of-service condition on the network stack by sending a large number of specially crafted packets to the PLC. The PLC will lose its ability to communicate over the network. This vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no privileges and no user interaction. An attacker could use this vulnerability to compromise availability of the network connectivity. At the time of advisory publication no public exploitation of this vulnerability was known.

CVSS Score

7.5

HIGH

CVSS:3.0/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 Et 200Sp Firmware>= 2.0
SiemensSimatic Et 200Sp-
SiemensSimatic S7-1500 Firmware>= 2.0, < 2.5
SiemensSimatic S7-1500-
SiemensSimatic S7-1500F Firmware>= 2.0, < 2.5
SiemensSimatic S7-1500F-

Related Weaknesses (CWE)

CWE-400

References

FAQ

What is CVE-2018-13805?

CVE-2018-13805 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability has been identified in SIMATIC ET 200SP Open Controller (All versions >= V2.0 and < V2.1.6), SIMATIC S7-1500 Software Controller (All versions >= V2.0 and < V2.5), SIMATIC S7-1500 incl...

How severe is CVE-2018-13805?

CVE-2018-13805 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-2018-13805?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Et 200Sp Firmware, Siemens Simatic Et 200Sp, Siemens Simatic S7-1500 Firmware, Siemens Simatic S7-1500, Siemens Simatic S7-1500F Firmware.