How severe is CVE-2016-8565?

CVE-2016-8565 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2016-8565 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8565?

CVE-2016-8565 affects Siemens Automation License Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8565?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-8565 published?

CVE-2016-8565 was published on 2016-10-13 and last updated on 2026-06-17.

CVE-2016-8565

CVE-2016-8565 is a critical-severity vulnerability in Siemens Automation License Manager with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Siemens Automation License Manager
Published: 2016-10-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2016-8565?: 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.
How severe is CVE-2016-8565?: CVE-2016-8565 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2016-8565 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8565?: CVE-2016-8565 affects Siemens Automation License Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8565?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-8565 published?: CVE-2016-8565 was published on 2016-10-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:siemens:automation_license_manager:*:sp3:*:*:*:*:*:*

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