CVE-2018-11456

Severity: medium (CVSS 5.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-08-07 · updated 2026-06-17
Weakness: CWE-284

Description

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.

Affected products

Siemens AG Automation License Manager 5: before 5.3.4.4 — fixed in 5.3.4.4

How to fix

Upgrade to a fixed version: Siemens AG Automation License Manager 5 5.3.4.4. Check the vendor advisory for mitigations.

References

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