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Vulnerability record · CVE-2016-8563 · published 13 October 2016

CVE-2016-8563: Siemens automation license manager improper input validation vulnerability

Siemens · Automation License Manager

Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to cause a denial of service (ALM service outage) via crafted packets to TCP port 4410.

7.5 CVSS 3.0 High EPSS 3.0% · top 13.2% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
3.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to cause a denial of service (ALM service outage) via crafted packets to TCP port 4410.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/93553 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037011
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-284342.pdf PatchVendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-02
http://www.securityfocus.com/bid/93553 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037011
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-284342.pdf PatchVendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-02

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-43514Siemens automation license manager path traversal vulnerabilityA vulnerability has been identified in Automation License Manager V5 (All versions), Automation License Manager V6 (All versions < V6.0 SP9 Upd4), Te…EPSS 1.5%9.1CVE-2016-8565Siemens automation license manager improper access control vulnerabilitySiemens Automation License Manager (ALM) before 5.3 SP3 allows remote attackers to write to files, rename files, create directories, or delete direct…EPSS 2.9%8.8CVE-2018-11455Siemens automation license manager path traversal vulnerabilityA 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 …EPSS 5.3%7.8CVE-2020-7583Siemens automation license manager improper authorization vulnerabilityA vulnerability has been identified in Automation License Manager 5 (All versions), Automation License Manager 6 (All versions < V6.0.8). The applica…EPSS 0.27%7.5CVE-2022-43513Siemens automation license manager vulnerabilityA vulnerability has been identified in Automation License Manager V5 (All versions), Automation License Manager V6 (All versions < V6.0 SP9 Upd4), Te…EPSS 0.97%7.5CVE-2021-25659Siemens automation license manager uncontrolled resource consumption vulnerabilityA vulnerability has been identified in Automation License Manager 5 (All versions), Automation License Manager 6 (All versions < V6.0 SP9 Update 2). …EPSS 1.0%7.5CVE-2011-4529Siemens automation license manager memory buffer overflow vulnerabilityMultiple buffer overflows in Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allow remote attackers to execute arbitrary code via a…EPSS 6.9%6.5CVE-2016-8564Siemens automation license manager sql injection vulnerabilitySQL injection vulnerability in Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to execute arbitrary SQL comm…EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2016-8563), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.