How severe is CVE-2016-8380?

CVE-2016-8380 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2016-8380 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8380?

CVE-2016-8380 affects Phoenixcontact Ilc Plcs Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8380?

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

When was CVE-2016-8380 published?

CVE-2016-8380 was published on 2018-04-05 and last updated on 2026-06-17.

CVE-2016-8380

CVE-2016-8380 is a high-severity vulnerability in Phoenixcontact Ilc Plcs Firmware with a CVSS 3.x base score of 7.3. Its EPSS exploit-prediction score of 11% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 11% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Phoenixcontact Ilc Plcs Firmware
Published: 2018-04-05
Last modified: 2026-06-17

Description

The web server in Phoenix Contact ILC PLCs allows access to read and write PLC variables without authentication.

Frequently asked questions

What is CVE-2016-8380?: The web server in Phoenix Contact ILC PLCs allows access to read and write PLC variables without authentication.
How severe is CVE-2016-8380?: CVE-2016-8380 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2016-8380 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8380?: CVE-2016-8380 affects Phoenixcontact Ilc Plcs Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8380?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-8380 published?: CVE-2016-8380 was published on 2018-04-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:phoenixcontact:ilc_plcs_firmware:-:*:*:*:*:*:*:*

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