CVE-2016-8565

mediumpriority · track · 37EPSS 0.029 · 87 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.91% (87th) EPSS

CVSS 6.4 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

Siemens Automation License Manager (ALM) before 5.3 SP3 allows remote attackers to write to files, rename files, create directories, or delete directories via crafted packets.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationALMcisa_csaf_ot
Siemens recommends only allowing connections from the local subnet to the ALM default Port 4410/TCP and blocking requests from other networks. These products should only be operated within trusted networks.

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.4–9.1

v2.06.4mediumAV:N/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 4.9

v3.09.1criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.2

v3.09.1criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Hsecondary · CISA US

v3.08.3highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USprimaryCWE-22US

affected products (4)

Products and version ranges known to be affected.

Siemens ALM: <V5.3_SP3_Update_1all versionscisa_csaf_otUS
Siemens ALM< V5.3_SP3_Update_1cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
siemens automation license manager≤ 5.3nvdUScpe:2.3:a:siemens:automation_license_manager:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-16-287-02Siemens Automation License Manager Vulnerabilities2016-07-17icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2016-10-13modified 2026-06-17

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+13835 more

references (9)

External citations — patches, advisories, analysis.

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