Siemens CP 1604 and 1616 <= v2.8 Cleartext Transmission of Sensitive Information

critical Nessus Network Monitor Plugin ID 720257


An attacker with network access to Port 23/TCP could extract internal communication data or cause a denial-of-service condition.


A CWE-319 vulnerability has been identified in CP 1604 (All versions <= v2.8), CP 1616 (All versions <= v2.8). 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.


Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

Plugin Details

Severity: Critical

ID: 720257

Family: SCADA

Published: 6/5/2019

Updated: 9/30/2019

Risk Information


Risk Factor: Medium

Score: 5.2


Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P


Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 4/17/2019

Vulnerability Publication Date: 4/17/2019

Reference Information

CVE: CVE-2018-13808