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CVE-2018-13808: Siemens Cp 1604 Firmware: Denial of service

CVE-2018-13808 is rated critical with a CVSS v3.0 base score of 9.1 and NVD lists 2 affected products, including Siemens Cp 1604 Firmware. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.

Vulnerability description

A vulnerability has been identified in CP 1604 (All versions), CP 1616 (All versions). An attacker with network access to port 23/tcp could extract internal communication data or cause a Denial-of-Service condition. Successful exploitation requires network access to a vulnerable device. At the time of advisory publication no public exploitation of this vulnerability was known.

Severity breakdown

CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: None. No loss of integrity.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Affected products

  • Siemens Cp 1604 Firmware: up to and including 2.8
  • Siemens Cp 1616 Firmware: up to and including 2.8

References