CVE-2018-11455

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.2% 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-22

Description

A vulnerability has been identified in Automation License Manager 5 (All versions < 5.3.4.4), Automation License Manager 6 (All versions < 6.0.1). A directory traversal vulnerability could allow a remote attacker to move arbitrary files, which can result in code execution, compromising confidentiality, integrity and availability of the system. Successful exploitation requires a network connection to the affected device. The attacker does not need privileges or special conditions of the system, but user interaction is required.

Affected products

Siemens AG Automation License Manager 5: from 5.0 (excl.) before 5.3.4.4; from 6.0 before 6.0.1 — fixed in 5.3.4.4, 6.0.1

How to fix

Upgrade to a fixed version: Siemens AG Automation License Manager 5 5.3.4.4, 6.0.1. Check the vendor advisory for mitigations.

References

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