Vulnerability in Siemens Automation License Manager

CVE-2018-11456

A vulnerability has been identified in Automation License Manager 5 (All versions < 5.3.4.4). An attacker with network access to the device could send specially crafted network packets to determine whether or not a network port on another remote system is accessible or not. This allows the attacker to do basic network scanning using the victims machine. Successful exploitation requires a network connection to the affected device. The attacker does not need privileges, no user interaction is required. The impact is limited to determining whether or not a port on a target system is accessible by the affected device.

EPSS: 0.013 (66.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-11456?
CVE-2018-11456 is a medium-severity vulnerability in Siemens Automation License Manager, classified under Improper Access Control. CVSS score: 5.8/10. Published 2018-08-07.
How severe is CVE-2018-11456?
Medium severity. CVSS v3 base score is 5.8 out of 10.