CVEvulnerability

CVE-2018-13805

7.5 HIGH Published 2018-10-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-10-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-400

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.

Affected configurations

• siemens simatic et 200sp firmware (>= 2.0) • siemens simatic s7-1500 firmware (>= 2.0 < 2.5) • siemens simatic s7-1500f firmware (>= 2.0 < 2.5)

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References